How long does it take the principal to run to our classroom, if the distance is 125 meters, and he accelerates,
from rest, at a rate of 4 m/s^2?
answer
Answers
The kinematics to find the time to go from the office to the living room is: 2.81 s
Given Parameters
The distance x = 125 n The acceleration a = 4 m / s²To find
The timeKinematics allows us to find the relationships between the position, velocity and acceleration of bodies, let's use the relationship
x = v₀ t + ½ a t²
Where x is the position, v₀ the initial velocity, at acceleration and t the time
In this case, as he leaves the office, the initial velocity is zero.
x = ½ a t²
t = \(\sqrt{\frac{2x}{a} }\)
Let's calculate
t = \(\sqrt{\frac{2 \ 125}{4} }\)
t = 2.81 s
In conclusion, using the kinematics, we find that the time to go from the office to the classroom is: 2.81 s
Learn more about kinematics here:
https://brainly.com/question/11910853
Related Questions
- A block weighing 200 N is pushing along a surface. If it takes 80 N to get the block moving and 40 N to keep the block moving at a constant velocity, What are the coefficients of friction μs and μk?
Answers
The coefficients of friction for this scenario are μs = 0.4 and μk = 0.2.
The coefficient of static friction (μs) is the ratio of the maximum force of static friction (Fs max) that can be overcome between two solid surfaces in contact with each other, while the coefficient of kinetic friction (μk) is the ratio of the force of kinetic friction between two solid surfaces in contact with each other that are in motion. Both coefficients can be used to describe the amount of friction between two surfaces, which is dependent on the type of material and surface finish. The equation F = μN is used to calculate frictional forces, where F is the force of friction, μ is the coefficient of friction, and N is the normal force, which is equal to the weight of the object in question.
The normal force N, which is equal to the weight of the object, is determined using the equation N = mg, where m is the mass of the object and g is the acceleration due to gravity. Using this information, the coefficients of friction can be calculated. In this case, the block weighs 200 N and requires 80 N of force to overcome the static friction to get it moving. The normal force is equal to the weight, which is 200 N, so the coefficient of static friction is:
μs = Fs max /N= 80 N/200 N= 0.4. For the kinetic coefficient of friction, 40 N of force is required to keep the block moving at a constant velocity. Since the block is already moving, the maximum force of static friction does not apply, so the force of kinetic friction is used. Thus, the coefficient of kinetic friction can be calculated as follows: μk = kinetic friction/N = 40 N/200 N = 0.2
for such more questions on friction
https://brainly.com/question/24338873
#SPJ8
a 15cm long solenoid with radius 2.5 cm is closely wound with 600 turns of wire. the current in the windings is 8 a. what is the magnitude of the magnetic field generated in the center of the coil? (in mt
Answers
An electromagnet known as a solenoid creates a regulated magnetic field using a helical coil of wire whose length is significantly higher than its diameter. When an electric current is run through the coil, it can create a consistent magnetic field inside a defined region of space.
N = 600, L = 0.15 m, r = 2.5 cm.
I = 8 A
uo*N*I/L = B
40 mT is equal to B = (4*pi*10-7*600*8)/0.15 B.
15 centimeters in length, 600 round Coys, and a radius of zero point seven and fifty centimeters. It transports an eight amp current. to locate the magnetic field away from the lone in the center. The magnetic field at the solenoid's center is determined by B, I, and l, where B is equal to mu zero and I is equal to and by l. I'm going to substitute the values now. Mu 0 is 45 into 10 to the power – 7 times. Tesla will receive a 0.40 answer.
To know more about solenoid, click on the link below:
https://brainly.com/question/25562052
#SPJ4
what is the unit of electric field? group of answer choices field is just a direction, it does not have units nm n/m n/c
Answers
Unit of electric field is V/m,where V is Volt and m is meter.Electric field is a vector quantity.
An electric field is the actual field that encompasses electrically charged particles and applies force on any remaining charged particles in the field, either drawing in or repulsing them. It likewise alludes to the actual field for an arrangement of charged particles. Electric fields start from electric charges and time-fluctuating electric flows. Electric fields and attractive fields are the two appearances of the electromagnetic field, one of the four principal communications (likewise called powers) of nature.
The electric field is characterized as a vector field that partners to each point in space the electrostatic (Coulomb) force per unit of charge applied on a tiny positive test charge very still at that point. The determined SI unit for the electric field is the volt per meter (V/m), which is equivalent to the newton per coulomb.
To know more about electric field,visit here:
https://brainly.com/question/8971780
#SPJ4
How much does a 125.0 kg object weigh on earth
Answers
Answer:
1226.25 N
Explanation:
w = mg = 125 (9.81) = 1226.25 N
describe all the steps involved in generating electricity using a turbine generator that uses natural gas as the energy resource.
Answers
The natural gas is continuously combusted to sustain the turbine's operation, enabling the continuous generation of electricity.
Generating electricity using a turbine generator that utilizes natural gas as the energy resource involves several steps:
Combustion: Natural gas is burned in a combustion chamber, typically within a gas turbine, where it mixes with air and ignites. The combustion process releases energy in the form of high-temperature and high-pressure gas.Expansion: The hot and pressurized gas expands and passes through turbine blades. As the gas expands, it drives the turbine, causing it to rotate at high speeds.Mechanical Energy Conversion: The rotating turbine is connected to a shaft that is coupled to a generator. As the turbine spins, the mechanical energy of the rotating shaft is transferred to the generator.Electricity Generation: The generator consists of a rotor and stator. The rotation of the shaft causes the rotor to rotate within a magnetic field produced by the stator. This relative motion induces an electrical current in the stator windings through electromagnetic induction, generating electricity.Voltage Conversion: The generated electricity is typically in the form of alternating current (AC). Transformers are used to adjust the voltage of the electricity to suitable levels for transmission and distribution.Grid Connection: The generated electricity is fed into the power grid, where it can be transmitted over long distances to reach consumers. The grid ensures the electricity is distributed efficiently and reliably to meet the demands of various users.Power Consumption: Consumers can access the electricity from the grid through power lines and utilize it for various purposes, such as lighting, heating, running appliances, or powering industrial machinery.Throughout this process, the natural gas is continuously combusted to sustain the turbine's operation, enabling the continuous generation of electricity.
Learn more about turbine, click here: brainly.com/question/2223578
#SPJ11
what is indicated by efficiency of a pulley is 60%?
Answers
Pulley efficiency is 60%. This means that 40% of his energy is lost due to friction within the machine.
What is efficiency?The efficiency of a machine is the ratio of the work the machine does to the load and the effort it does to the machine. Hence, it is the ratio of useful work done by the machine's output to the work done by the machine's input.
Leaving aside energy losses due to friction for a moment, the work done by a simple machine is the same work that the machine does to perform a particular task.
Learn more about efficiency here:
https://brainly.com/question/15418098
#SPJ1
A tractor uses a force of 1000N to lift a rock while doing 20,000J of work. How far did it move the rock?
200,000m
20m
2m
200m
Answers
Answer:
20m
Explanation:
The work done by the tractor is given by the formula:
work = force x distance x cos(theta)
where force is the applied force, distance is the distance moved by the object, and theta is the angle between the force and the direction of motion. In this case, we know the force and the work done, but we don't know the distance or the angle.
However, we can use the fact that the work done is also given by:
work = force x distance
We can rearrange this equation to solve for distance:
distance = work / force
Plugging in the values given in the problem, we get:
distance = 20,000 J / 1000 N = 20 meters
Therefore, the tractor moved the rock a distance of 20 meters
Which statement best describes what happens when air warms in the atmosphere?
A.Air condenses and rises up.
B.Air expands and rises up.
C.Air expands and sinks down.
D.Air condenses and sinks down.
Answers
Answer:
Air condenses and rises up
PLEASE ANSWER THIS ASAP I WILL MARK YOU THE BRAINLIEST The actual subject is Science but they dont have that as a option in pick a subject
Answers
A hiker travels south along a straight path for 1.5 h with an average velocity of 0.75 km/h, then travels south for 2.5 h with an average velocity of 0.90 km/h. What is the hiker’s displacement
for the total trip?
Answers
The hiker travelled south for the entire trip, the displacement is also in the south direction. Therefore, the hiker's displacement for the total trip is 3.375 km south.
To find the hiker's displacement for the total trip, calculate the total distance travelled and the direction of the displacement.
The hiker travels south for 1.5 hours with an average velocity of 0.75 km/h. Therefore, the distance traveled in this leg of the trip is given by distance = velocity * time = 0.75 km/h * 1.5 h = 1.125 km.
Similarly, the hiker travels south for 2.5 hours with an average velocity of 0.90 km/h. The distance traveled in this leg of the trip is distance = velocity * time = 0.90 km/h * 2.5 h = 2.25 km.
To calculate the total distance, add the distances of the two legs: 1.125 km + 2.25 km = 3.375 km.
To know more about displacement, visit:
https://brainly.com/question/321442
#SPJ11
Which is a “big idea” for matter and change?
Answers
Explanation:
What is the frequency of a raido wave with a wavelength of 1.0 mm?
Answers
Answer:
3×10^6
Explanation:
frequency is the speed of light ( c) which is a constant number divided the wavelength
f = 3×10^6 / 1.0
The movement of thermal energy from a warmer object to a cooler object is called a. heat. b. temperature. c. motion. d. momentum. Please select the best answer from the choices provided
Answers
The energy responsible for temperature is referred as thermal energy. the movement of thermal energy from a warmer object to a cooler object is called heat.
What is heat?Heat is energy that is transferred from one body to another as a result of a temperature difference.
When two bodies at different temperatures come into contact, energy is transferred (i.e., heat flows) from the hotter to the colder.
Thus, the correct option is A.
For more details regarding heat, visit:
https://brainly.com/question/1429452
#SPJ2
PLEASE HELP!!! GIVING BRAINLIEST!! ill also answer questions that you have posted if you answer these correctly!!!! (40pts)
Answers
Answer:
False, true
Explanation:
Answer:
an unbalanced force is always needed to a moving object FALSE
an object in motion will stay in motion unless it is acted on by an unbalanced force TRUE
Explanation:
Please Brainliest :)
In the human circulatory system, arteries carry blood away from the heart to different parts of the body. Veins carry blood from different parts of the body back to the heart. A scientist claims that the greater the amount of exercise a person performs, the greater the amount of oxygen (O2) the body uses. He records the oxygen concentration in the blood of people while they are riding an exercise bike. The graphs show the results of this investigation.
a. Identify at least two systems within the human body that work together during exercise.
b. Explain how the evidence from the data in the graphs supports or does not support the scientist’s claim.
Answers
Answer:
There are many different systems involved in when we exercise, the three main ones are the Respiratory system which is involved in breathing the circulatory system which is about circulation of blood around the body and finally the muscular system and finally the Muscular system which is about how we move.
Explanation:
If the data consistently do not support the hypothesis, then CLEARLY, the hypothesis is NOT a reasonable explanation of what you are investigating. The hypothesis is rejected, and we search for a new interpretation, an new hypothesis that supports the experimental data
Respiratory and circulatory systems are the two systems within the human body that work together during exercise.
How does the respiratory and circulatory systems work together during exercise?The respiratory system:
allows the exchange of gases intake of oxygen and exhalation of carbon-dioxide.oxygenation of blood at the lungs.The circulatory system:
transports deoxygenated blood to the lungs for oxygenation.delivers oxygenated blood to the appropriate tissue.Hence, during exercise more oxygen is used by the body.The claim by scientist is true?During exercise:
breathing rate increases from about 15 times per minute to roughly 40–60 times per minute.heart rate also rises, providing more oxygen to reach your muscles and allowing them to continue moving.To learn more about respiratory system, circulatory system, blood, exercise, and oxygen here,
https://brainly.com/question/13128077
#SPJ2
identify the sub-level from which the electron is removed when the first ionisation energy of germanium is measured
Answers
The sub-level from which the electron is removed when the first ionisation energy of germanium is measured is the 4p² sub-level.
The first ionization energy of germanium is the energy required to remove one electron from a neutral germanium atom to form a positively charged ion.
To identify the sub-level from which the electron is removed when the first ionization energy of germanium is measured, you need to consider the electron configuration of germanium.
The electron configuration of germanium is 1s² 2s² 2p⁶ 3s² 3p⁶ 3d¹⁰ 4s² 4p². During the first ionization process, the electron will be removed from the outermost shell with the highest energy sub-level, which is the 4p² sub-level.
So, the sub-level from which the electron is removed when the first ionization energy of germanium is measured is the 4p² sub-level.
Know more about ionisation energy here:
https://brainly.com/question/20658080
#SPJ11
2. A quantity of gas is trapped by a piston in a cylinder with thin metal walls. The piston is free to move
without friction within the cylinder.
a) The air in the freezer is at atmospheric pressure, which is 1.0 × 105Pa. The area of the piston in
contact with the air in the freezer is 2.4 × 10–3m2
.
i. Calculate the force exerted on the piston by the air in the freezer.
ii. When the cylinder is first placed into the freezer, the temperature of the gas in the cylinder decreases
and the air pushes the piston into the cylinder. Calculate the work done on the piston by the air in the
freezer as the air pushes the piston at distance of 0.021m into the cylinder.
b) The initial temperature of the cylinder and the gas is 21°C and, in the freezer, the temperature of the
cylinder decreases to –18°C. The thermal capacity of the cylinder is 89J/ °C. Calculate the change in
the internal energy of the cylinder.
Answers
a)
i. The force exerted on the piston by the air in the freezer is 240 N.
ii. The work done on the piston by the air as it pushes the piston 0.021 m into the cylinder is 5.04 J.
b) The change in the internal energy of the cylinder is 3486 J.
a)
i. To calculate the force exerted on the piston by the air in the freezer, we can use the formula:
Force = Pressure * Area
Given:
Pressure (P) = 1.0 × \(10^5\) Pa
Area (A) = 2.4 ×\(10^(^-^3^) m^2\)
Substituting these values into the formula, we have:
Force = (1.0 × 10^5 Pa) * (2.4 ×\(10^(^-^3^) m^2)\)
= 240 N
ii. To calculate the work done on the piston by the air in the freezer as the air pushes the piston, we can use the formula:
Work = Force * Distance
Given:
Force = 240 N
Distance (d) = 0.021 m
Substituting these values into the formula, we have:
Work = (240 N) * (0.021 m)
= 5.04 J
b) To calculate the change in the internal energy of the cylinder, we can use the formula:
ΔU = mcΔT
Given:
Initial temperature (T1) = 21°C = 21 + 273 = 294 K
Final temperature (T2) = -18°C = -18 + 273 = 255 K
Thermal capacity (c) = 89 J/°C
Substituting these values into the formula, we have:
ΔU = (89 J/°C) * (294 K - 255 K)
= 3486 J
For more such information on: force
https://brainly.com/question/12785175
#SPJ8
It has been known for many years that ceramics can conduct electricity. In 2008, scientists found a ceramic material that can conduct electricity with no resistance at 133 K. What is the most important significance of this 2008 finding?
This is a lower temperature than Onnes’s experiment, and it will allow for a broader use of superconductors.
This is a higher temperature than Onnes’s experiment, and it will allow for a broader use of superconductors.
Materials that can conduct electricity with no resistance are new and can allow for new materials to be made.
Ceramic materials have been known to be able to conduct electricity prior to year 2008.
Answers
Answer:
mercury
Explanation:
edge 2020
A projectile is fired vertically upward with an initial velocity of 190 m/s. Find the maximum height of the projectile
Answers
ANSWER
\(1841.84\text{ m}\)EXPLANATION
Parameteters given:
Initial velocity = 190 m/s
To find the maximum height, we apply the formula for the maximum height of a projectile:
\(H=\frac{u^2\sin ^2\theta}{2g}\)where u = initial velocity
θ = angle with the horizontal
g = acceleration due to gravity = 9.8 m/s²
From the question, the projectile is fired vertically upward. This means that the projectile will make a 90° angle with the horizontal.
Therefore, we have that the maximum height of the projectile is:
\(\begin{gathered} H=\frac{190^2\cdot\sin ^2(90)}{2\cdot9.8} \\ H=1841.84\text{ m} \end{gathered}\)Answer:
Height is equal to 1841.8367m
Explanation:
KE = GPE
Write out the formula
1/2(m)(v^2) = mgh
Fill it with the information you have
1/2(190^2) = (9.8)(h)
Solve
1/2(36100) = 9.8h
18050 = 9.8h
1841.83673 = h
Write the complete answer out
Maximum height is equal to 1841.8367m (meters)
How would you expect people from two different cultures to differ in their sense and perception of smell
Answers
One Saturday morning, a family drives east from Olds to Trochu, a distance of 59 km. Then they drive west to Sundre, a distance of 97 km.
What distance does the family travel? Show your work. (1 mark)
What is the displacement (magnitude and direction) of the family? Show your work.
Answers
Explanation:
distance is how far they have actually driven. so just add up the distances:
59+97=156km
displacement is how far they are from their starting point. so they drive 59 kilometers east, then 97 kilometers west. so we subtract:
97-59=38km west of Olds
The distance travelled by the family was 156 km.
The displacement of the family is 38 km.
To find the distance and displacement, the given values are 59 km and 97 km.
How distance and displacement are related to each other?Distance of the family is how far they have actually driven . So, we just want to add up the distances.
Adding the given distances,
59+97=156km.
Thus, 156 km is the distance travelled by the family.
Displacement of the family is how far they are from their starting point. so they started driving 59 kilometer east and then 97 kilometers west. We have to subtract the given distances.
Subtracting the given distances,
97-59=38km west of Olds.
Thus, 38 km is the displacement of the family.
Learn more about distance and displacement,
https://brainly.com/question/3243551
#SPJ2
I need help! Picture is the sheet.
Answers
Answer:
The answers to the questions are
1. Sound energy
2. Conductor
3. Flow
4. Thermal energy (g underlined)
5. Electric current
6. Insulator
7. Light energy
8. Electric circuit
The underlined letters are, e, n, g, r, y, e which can be rearranged to spell energy
Explanation:
1. Sound energy is the wave form of mechanical energy that is transferred by the vibration of the of the medium through which it propagates
2. An electrical conductor is used to conduct electricity from one point to another
3. An object or material flows when it has a smooth motion towards a given direction, such as a river
4. Thermal energy is the form of energy that is given off by a body as sensible heat that can be measured as a temperature by a thermometer
5. Electric current is the electricity in a circuit
6. An insulator is a material that limits the flow of electricity or heat
7. Light energy is the form electromagnetic energy which the eye can sense
8. An electric current flows an electric circuit which consist of a source of electricity and an path through which the electric current can easily flow.
Find an everyday situation that involves density or buoyancy and explain it.
Answers
Answer:
Explanation:
Swimming. When you go swimming, your body floats but somewhat sinks as well because we weigh less when we're in the water. We are less dense.
Or taking a bath, the soap sinks to the bottom and the washcloth somewhat floats and sinks because of the air trapped in the middle. But the rest of the washcloth is sinking because it's absorbed the water which makes it denser.
Brainliest??
PLEASE HELP!!!!!!!!!!!!!!!!!!!!!!!!!!
Answers
Answer:
I can help with the last question.
Explanation:
The force from the ball on the left ball will hit the ball next to it, bringing the force all the way to the right ball, and vice versa. Have a great day!
Answer:
gravity is pulls objects to the center of the earth.
friction is slows or stops motion when objects rub together.
magnetism is pushes or pulls objects containing iron or other metals.
When heat is added to ice, the first change it goes through will be which of the following?
It will begin to boil.
It will melt into a liquid.
It will turn into steam.
It will become a vapor.
Answers
Answer:
it will begin to melt into a liquid
Explanation:the ice will melt first before turning into a liquid.
Does Respiration produce ATP? If yes, is it a lot or a little?
Answers
Answer:
yes and little i think
Explanation:
A cyclist going downhill is accelerating at 1. 2 m/s2. If the final velocity of the cyclist is 16 m/s after 10 seconds, what is the cyclist’s initial velocity? 4 m/s 12 m/s 18 m/s 20 m/s.
Answers
Answer:
Initial velocity = 4 m/s
Explanation:
Acceleration, a = 1.2 m/s²
Final velocity, v = 16 m/s
Initial velocity, u = ?
Time, t = 10 seconds
So, we must use the formula:
v = u + at
Insert all the values into the formula.
16 = u + 1.2 × 10
16 = u + 12
Make 'u' the subject of the equation, and solve to find the value of u.
u = 16 - 12
u = 4 m/s
a speed skater moving across frictionless ice at 8.1 m/sm/s hits a 5.2 mm-wide patch of rough ice. she slows steadily, then continues on at 5.8 m/sm/s.
Answers
To answer your question, let's break it down into steps.
1. Calculate the initial velocity:
The speed skater is initially moving at 8.1 m/s.2. Calculate the final velocity:
After hitting the patch of rough ice, the speed skater slows down and continues at a speed of 5.8 m/s.3. Calculate the change in velocity:
The change in velocity is the difference between the initial and final velocities. In this case, it is 8.1 m/s - 5.8 m/s = 2.3 m/s.4. Calculate the time it takes to slow down:
To find the time it takes for the skater to slow down, we need to know the distance over which she slows down. The question mentions that the rough ice patch is 5.2 mm wide. We need to convert this to meters, so we divide by 1000: 5.2 mm / 1000 = 0.0052 m.5. Use the equation of motion to find the time:
The equation of motion we can use is v = u + at, where v is the final velocity, u is the initial velocity, a is the acceleration, and t is the time. In this case, the initial velocity is 8.1 m/s, the final velocity is 5.8 m/s, and the change in velocity is 2.3 m/s. Rearranging the equation, we have t = (v - u) / a. Plugging in the values, we get t = (5.8 m/s - 8.1 m/s) / a. Since the skater is slowing down steadily, the acceleration is constant.6. Calculate the acceleration:
The acceleration can be calculated using the formula a = Δv / Δt, where Δv is the change in velocity and Δt is the change in time. We know that Δv is 2.3 m/s and we can solve for Δt. Rearranging the formula, we have Δt = Δv / a. Plugging in the values, we get Δt = 2.3 m/s / a.7. Substitute Δt into the equation from step 5:
We can substitute the value of Δt from step 6 into the equation t = (5.8 m/s - 8.1 m/s) / a. Plugging in the value, we have t = (5.8 m/s - 8.1 m/s) / (2.3 m/s / a).8. Solve for a:
To find the acceleration, we need to rearrange the equation from step 7. Multiplying both sides of the equation by a, we have a t = (5.8 m/s - 8.1 m/s). Dividing both sides of the equation by t, we have a = (5.8 m/s - 8.1 m/s) / t. Plugging in the values, we have a = (5.8 m/s - 8.1 m/s) / [(5.2 mm / 1000 m) / a].9. Calculate the acceleration:
To calculate the acceleration, we need to solve the equation from step 8. Multiplying both sides of the equation by [(5.2 mm / 1000 m) / a], we have a [(5.2 mm / 1000 m) / a] = (5.8 m/s - 8.1 m/s). Simplifying the equation, we have (5.2 mm / 1000 m) = (5.8 m/s - 8.1 m/s). Converting the units, we have (5.2 mm / 1000 m) = (5.8 m/s - 8.1 m/s). Subtracting 5.8 m/s from both sides, we have (5.2 mm / 1000 m) - 5.8 m/s = -2.3 m/s. Converting the units, we have (5.2 mm / 1000 m) - 5.8 m/s = -2.3 m/s. Adding 5.8 m/s to both sides, we have (5.2 mm / 1000 m) = -2.3 m/s + 5.8 m/s. Simplifying the equation, we have (5.2 mm / 1000 m) = 3.5 m/s. Converting the units, we have (5.2 mm / 1000 m) = 3.5 m/s.10. Calculate the time to slow down:
We can now use the acceleration from step 9 to calculate the time it takes for the speed skater to slow down. Plugging in the value of acceleration, we have t = (5.8 m/s - 8.1 m/s) / (3.5 m/s). Simplifying the equation, we have t = -2.3 m/s / 3.5 m/s. Dividing the velocities, we have t = -0.657 s. Since time cannot be negative, we discard the negative sign and take the absolute value. Therefore, the time it takes for the speed skater to slow down is approximately 0.657 seconds. I hope this helps! Let me know if you have any further questions.About Speed skaterSpeed skater is a form of competitive ice skating in which competitors race each other over a certain distance on roller skates. Types of speed skating are long track speed skating, short track speed skating, and marathon speed skating. In the Olympics, long track speed skating is usually referred to simply as "sprinting", while short track speed skating is known as "short track". The International Skate Union (ISU), the governing body for both esports, refers to the long track as "speed skating" and the short course as "short course skating".
Learn More About Speed skater at https://brainly.com/question/2122092
#SPJ11
most of the radiation released from the failed nuclear reactor was from fission products t or f
Answers
Cesium-134, cesium-137, and iodine-131. According to UNSCEAR, iodine-131 has a half-life of only eight days, yet it is quickly inhaled through the air and has a tendency to concentrate in the thyroid gland.
What reactor exploded as a result of failure?A low-power test on the Chernobyl nuclear reactor power plant's Number Four RBMK reactor went awry on April 26, 1986, resulting in an explosion and fire that destroyed the reactor building and spilled a significant amount of radioactivity into the atmosphere.
What led to Chernobyl's failure?After the SCRAM began, there was a significant power increase that caused the core to overheat. A few seconds later, this overheating led to the initial explosion. Several of the fuel rods cracked and became obstructed.
To know more about nuclear reactor visit:-
https://brainly.com/question/13869748
#SPJ4
How are insects different from arachnids? please help
Insects have a cephalothorax and abdomen.
Arachnids have a head, a thorax, and an abdomen.
Arachnids lack antennae.
Insects lack antennae.
Answers
The difference between insects and arachnids is arachnids lack antennae. Hence, option C is correct.
What are Arachnids?Spiders, scorpions, ticks, mites, harvest men, and their relatives are only a few of the various arthropods of the class Arachnids. Arachnid species number over 100,000, according to scientists. There are around 8,000 species of arachnids in North America alone.
Insects and arachnids differ primarily in their body composition and limb structure. Arachnids only have two body segments, a cephalothorax and an abdomen, whereas insects have a head, a thorax, and an abdomen.
To get more information about Arachnids :
https://brainly.com/question/2196285
#SPJ1