Which step in the water cycle returns water to the atmosphere?.
Answers
The step in the water cycle that returns water to the atmosphere is the process of Evaporation.
What is the Water Cycle?The water cycle, often known as the hydrologic cycle, is a process that recycles water throughout the earth and the atmosphere. This cycle aids in the transfer of water to the surface, underground, and air. As water passes through the water cycle, it transforms into various states, such as solid, liquid, or gas. The water cycle has four significant processes: evaporation, condensation, precipitation, and transpiration.
Evaporation is the process of transforming water into a gas by heating it. Evaporation occurs when the sun heats the water in the rivers, lakes, and oceans, turning it into water vapor. As the water vapor rises, it cools, creating clouds. When the clouds have collected enough water droplets, they condense and form precipitation, such as rain, sleet, or snow. Precipitation falls back to the earth's surface and enters lakes, rivers, and oceans.
Transpiration occurs when water vapor is released into the atmosphere by plants through a process known as evapotranspiration, in which water vapor is released from plants' surfaces.
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Related Questions
You work for a company that specializes in electron beam-impact deposition. This apparatus uses a tightly focused electron beam to deposit atoms on a surface with very fine spatial resolution. You are given the job of calculating the maximum possible deflection of the electron beam when the random magnetic fields in the laboratory are reduced (by shielding) to a maximum value of 0. 15 mGauss. The electrons are accelerated from rest through 20 kV and the path length is 3. 6 cm. If the magnetic fields were later discovered to be twice as large, what modified path length would yield the same deflection as you originally calculated
Answers
The original deflection angle of the electron beam can be calculated using the formula given below;θ = 1.76 × 10^-6 × B × L / V Where,θ is the deflection angle, in radians B is the magnetic field strength, in gauss L is the length of the electron path, in cm V is the velocity of the electron beam, in volts
The maximum magnetic field strength is given as 0.15 mGauss = 0.15 × 10^-3 gauss The path length is 3.6 cm The velocity of the electron beam can be calculated from its kinetic energy using the formula, K = 1/2 mv^2 = eV where,K is the kinetic energy of the electron, in joulese is the charge of the electron, which is 1.602 × 10^-19 C, andV is the voltage of acceleration, which is 20 kV (20,000 V).Substituting the values, K = 1/2 mv^2 = eVm = (2K / v^2) / 9.11 × 10^-31where,m is the mass of the electron in kg The velocity of the electron beam, v can be obtained by substituting the calculated mass of the electron and the voltage of acceleration. Substituting the values, B = 0.15 × 10^-3 gaussL = 3.6 cmV = 20 kV = 20,000 Vθ = 1.76 × 10^-6 × 0.15 × 10^-3 × 3.6 / 20,000= 4.788 × 10^-10 rad For the second part of the question, when the magnetic field is twice as large, the deflection angle would be double that of the original deflection angle.θ2 = 2θ1Where,θ2 is the new deflection angleθ1 is the original deflection angle Substituting the values,2θ1 = 1.76 × 10^-6 × 2 × 0.15 × 10^-3 × L2 / 20,000= 1.76 × 10^-6 × 0.3 × 10^-3 × L2 / 20,000= 3.52 × 10^-10 × L2 / 20,000L2 = 2θ1 × 20,000 / 3.52 × 10^-10= 1.14 × 10^7 cm = 114 kmThe modified path length would be 114 km.
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The Sun appears to move across the sky during the day. The best explanation for this apparent motion is that Earth is
A)much smaller than the Sun
B) tilted on its axis
C)rotating on its axis
D) revolving around the Sun
Answers
Answer:
C
Explanation:
The apparent motion is that Earth is rotating on its axis.
How sun appears to move across the sky during the day?The Sun appears to move across the sky during the day and disappears at the night. The Earth is spinning towards the east. The Earth spins or rotates about its own axis, an imaginary line that runs through the middle of the Earth between the two poles, i.e., North and South poles.In case of the Moon, the spin will gets changed.The main reason for the appearing and disappearing of Sun in the Earth is as Earth rotates in its own axis towards the east. It will not happen because of the Sun's and Earth size, or titled on its axis.
Thus, Option C - rotating on its axis is the correct answer.
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A ball is pushed down a hill so that it starts with a velocity of 2.0 m/s. It accelerates at a rate of 0.50 m/s2 for the length of the hill, 10.0 m. What is the velocity of the ball at the bottom of the hill?
Answers
Answer:
3.7 m/s
Explanation:
Given:
Δx = 10.0 m
v₀ = 2.0 m/s
a = 0.50 m/s²
Find: v
v² = v₀² + 2aΔx
v² = (2.0 m/s)² + 2 (0.50 m/s²) (10.0 m)
v = 3.7 m/s
Filiberto va a 90m/s en su carri, de repente se distrae por un par de segundos y su velocdad pasa a 40 m/s ¿cual fue su aceleracion de su movimientonto
Answers
Answer:
Filiberto experimenta una deceleración de \(2\,\frac{m}{s^{2}}\).
Explanation:
(The problem was written in Spanish. Hence, explanation will be held in Spanish).
Asúmase que Filiberto se distrae por 2 segundos, puesto que un par equivale a dos, y que el vehículo experimenta un aceleración constante. La deceleración experimentada por el vehículo se deriva de la siguiente fórmula:
\(a = \frac{v-v_{o}}{\Delta t}\)
\(a = \frac{40\,\frac{m}{s}-90\,\frac{m}{s} }{2\,s}\)
\(a = -25\,\frac{m}{s^{2}}\)
Filiberto experimenta una deceleración de \(2\,\frac{m}{s^{2}}\).
What are two types of “non-contact forces”?
Answers
Answer:
Gravitational force and Electrostatic force
Explanation:
These, as well as magnetic force, are the 3 non-contact forces.
Two types of non-contact forces are Gravitational force and Magnetic force.
A non-contact force is a force acting between two different objects, placed at a distance from each other. It is a force applied to an object without any physical contact with it. The most well-known non-contact force is gravity, which relates to weight.
The force that causes a ball that is thrown in the air to fall down after reaching a height is known as gravitational force. It is an attractive force that the earth exerts on every object in the universe.
Magnetic force is the attraction or repulsion arising between electrically charged particles because of their motion. This force results in the magnets attracting and repelling each other. Magnetic poles always exist in pairs.
Examples where magnetic force is used, are; a magnetic compass a motor, and making a tight seal on the doors to refrigerators and freezers, etc.
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An elevator is rising up a vertical shaft in a skyscraper. Between the 12th and 20th floors, it travels at a constant speed. During this time period:
1.) The only unbalanced force acting on it is air resistance.
2.) The forces acting on it are balanced so the net force is zero.
3.) The upward force is greater than the combined downward forces of gravity and air resistance, making it move upward.
4.) There are no forces acting on it so the net force is zero.
Answers
.................,
Which is NOT true of balanced forces?
A. Balanced forces will cause the motion of an object to
increase
B. Balanced forces are two equal forces pushing against
each other on an object,
C. Balanced forces do not cause a change in the motion of
an object
Answers
When food is exposed to the air, it can lose electrons. The loss of electrons creates reactive molecules that work to destroy the chemical bonds in the food, causing it to spoil. What are these reactive molecules called?
Answers
Answer:
Free Radicals
Explanation:
AP3X
because of friction? A. energy is not always conserved
B. not all potential energy is converted to kinetic energy
C.all an object's kinetic energy turns into potential energy
D all of an object's potential energy turns into kinetic energy
Answers
Answer:
i think its B.NOT all potential energy is converted to kinetic energy
Answer:
Maybe, B. Not all potential energy is converted to kinetic energy.
Explanation:
Even if air resistance slows down the ball, the potential energy is the same. But if air resistance is in the way, not all of the potential energy can be converted to kinetic energy. Some of the energy has to be used to push the air molecules out of the way.
How fast does a apple fall if it falls at 5mph?
Answers
The apple will fall in 0.00014 seconds
The branch of physics that defines motion with respect to space and time, ignoring the cause of that motion, is known as kinematics. Kinematics equations are a set of equations that can derive an unknown aspect of a body’s motion if the other aspects are provided.
u = 5 m/h = 0.00139 m/s
using kinematic equation
v = u + at
v = final velocity = 0
g = acceleration due to gravity
t = time = ?
using
v = u - g*t
0 = 0.00139 - 9.8 t
t = 0.00139 / 9.8 = 0.00014 seconds
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As a projectile falls, what happens to the components of velocity?
Question 25 options:
vertical velocity decreases in magnitude, horizontal velocity decreases
vertical velocity decreases in magnitude, horizontal velocity decreases
vertical velocity increases in magnitude, horizontal velocity stays the same
vertical velocity increases in magnitude, horizontal velocity increases
Answers
Answer:
Option (c).
Explanation:
An object when when projected at an angle, will have some horizontal velocity and vertical velocity such that,
\(v_x=v\cos\theta\ \text{and}\ v_y=v\sin\theta\)
\(\theta\) is the angle of projection
The horizontal component of the projectile remains the same because there is no horizontal motion. Vertical component changes at every point.
As a projectile falls, vertical velocity increases in magnitude, horizontal velocity stays the same .
As a projectile falls, The vertical velocity increases in magnitude and horizontal velocity stays the same as the components of velocity.
What is vertical velocity?acceleration caused by gravity always affects velocity in the vertical direction, it is a unique sort of velocity. This acceleration, which has a magnitude of around 10 meters/second/second, or 10 meters/second squared, directed downward, toward the center of the earth, affects any object that is hurled up, thrown down, or dropped in a vertical direction.
The thingswhich goess up must come down is a proverb that perfectly captures vertical velocity. Objects will fall back to the earth at a pace of around 10 meters per second every second due to the earth's gravity.
Therefore, As a projectile falls, The vertical velocity increases in magnitude, and horizontal velocity stays the same as the components of velocity.
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A 3-column table with 4 rows. The first column titled substances has entries aluminum, zinc, chromium, nickel. The second column titled density has entries 2.70 grams per centimeter cubed, 7.13 grams per centimeter cubed, 7.18 grams per centimeter cubed, 8.90 grams per centimeter cubed. The third column titled mass has entries 4.60 grams, 9.81 grams, 6.24 grams, 3.17 grams. Use the information in the table to identify the metal with a volume of 1.38 cm3. aluminum zinc chromium nickel
Answers
Answer: The metal with a volume is zinc.
Explanation: Got it right on Edge2020
Answer:
A 2-column table with 4 rows. The first column has entries glass, baby oil, maple syrup, wax. The second column has entries 2.40 grams per centimeter cubed, 0.83 grams per centimeter cubed, 1.37 grams per centimeter cubed, 0.93 grams per centimeter cubed.
Use the information in the table to predict whether each substance will sink or float in water. Note that the density of water is 1.0 g/cm3.
Glass:
✔ sinks
Baby oil:
✔ floats
Maple syrup:
✔ sinks
Wax:
✔ floats
which method is commonly used for improving cattle breeds and why?
Answers
Answer: Cross-breeding method is commonly used for improving cattle breeds. Cross-breeding between two good varieties of cattle will produce a new improved variety. Cross breeding is defined as the process or the act of producing offspring particularly through mating two pure bred individuals but come from different breeds, varieties, or even species. Crossbreeding is undertaken to: Utilise the desired attributes of two or more breeds. Produce progeny better suited to target markets while maintaining environmental adaption. Improve productivity quicker in traits which are slow to change within a breed i.e. environmental adaption, fertility and carcass traits.
Hope it helps :)
The orbital motion of a deep water wave extends to a depth equal to.
Answers
In the momentum conservation equationP1 + P2 = P'1+P'2the prime indicates those variable are
Answers
The law of conservation of momentum states that the total momentum of a system before an event will be equal to the total momentum of the system after the event. That is, the total momentum of a system always remains the same.
In the equation,
\(P_1+P_2=P^{\prime}_1+P^{\prime}_2^{}_{}\)If P₁ represents the momentum of object 1 before the event (say, collision) and P₂ represents the momentum of object 2 before the event. Then, P'₁ and P'₂ will represent the momentum of object 1 and object 2, respectively, after the event.
A gas that is heated under constant pressure...
A.) will contract and demonstrate Boyle's Law
B.) will contract and demonstrate Charles's Law
C.) will expand and demonstrates Charles's Law
D.) will expand and demonstrates Boyle's Law
Answers
Answer:
c: will expand and demonstrate the Charles's law
An ac generator provides emf to a resistive load in a remote factory over a two-cable transmission line. At the factory a step- down transformer reduces the voltage from its (rms) transmission value Vt to a much lower value that is safe and convenient for use in the factory. The transmission line resistance is 0.30 /cable, and the power of the generator is 250 kW. If Vt 80 kV, what are (a) the voltage decrease V along the transmission line and (b) the rate Pd at which energy is dissipated in the line as thermal energy
Answers
Answer:
a) 1.875 volts
b) 5.86 W
Explanation:
Given data:
transmission line resistance = 0.30/cable
power of the generator = 250 kW
if Vt = 80 kV
a) Determine the decrease V along the transmission line
Rms current in cable = P / Vt = 250 / 80 = 3.125 amps
hence the rms voltage drop ( Δrmsvoltage )
Δrmsvoltage = Irms* R = 3.125 * 2 * 0.30 = 1.875 volts
b) Determine the rate Pd at which energy is dissipated in line as thermal energy
Pd = \(I^2rms*R\)
= 3.125^2 * 2* 0.30 = 5.86 W
88 L + 120 dL = _____________ L?
Answers
Answer:
100 L
Explanation:
10 dL = 1 L
What happens when light is allowed to pass through a suspension
Answers
Answer:
When light is passed through a true solution, the dissolved are too small to deflect light. suspensions may scatter light, but if the number of suspended particles is sufficiently large, the suspension may simply be opaque, and the light scattering would not occur.
Based on its location on the periodic table, which element would be most likely to form a negative ion? A. Bromine (Br) B. Strontium (Sr) C. Potassium (K) D. Magnesium (Mg)
Answers
your answer is...
C. potassium
Lebron is comparing flights departing from minneapolis. Which 222 ways could lebron find the flight with the fastest average speed?.
Answers
The stated statement states that the right options are to discover the lowest and highest kilometers per hour.
What is the straightforward meaning of speed?Its speed is the rate in which an object's position shifts in any direction. Speed is defined as the ratio of the distance traveled to the time required to cover that distance. Speed is a numeric number since it just has a path and no magnitude.
Methods for determining the fastest cruising velocity.
Speed = Distance / Time = kilometers per hour
Consequently, Find the speed that is least in kilometers per hour.
The highest speed in kilometers per hour.
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The complete question is-
Lebron is comparing flights departing from Minneapolis. Which 2 ways could Lebron find the flight with the fastest average speed? Choose 2 answers:
A). Find the least kilometers per hour
B). Find the greatest kilometers per hour
C). Find the least minutes per kilometers
D). Find the greatest minutes per kilometers
True or False: All waves transmit energy, but not matter, from one location to another.
Answers
1) What are the conditions under which a current can be induced in a coil that is not connected to a power supply?
2) What are the factors that affect the magnitude of the induced current?
Answers
There are various ways under which current can be induced in a coil: change in magnetic flux , relative motion between the coil and the magnetic field. Factors that affect Magnitude of induced current are : Number of turns in the coil, magnetic field, frequency of magnetic field.
1. (A) When there is a change in magnetic flux through the coil, which can be caused by changing the strength of magnetic field . (B). When there is relative motion between the coil and the magnetic field. 2. (A) Number of turns in the coil. (B) The strength of the magnetic field . (C) The angle between the coil and the magnetic field. (D) The resistance of the coil. (D) The frequency of magnetic field .
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In which city would Earth’s gravitational field strength be the smallest?
Answers
Mount Nevado, Huascarán in Peru has the lowest gravitational acceleration, at 9.7639 m/s2.
What is gravitational acceleration ?
An object in free fall in a vacuum experiences gravitational acceleration. This is the gradual increase in speed brought on solely by the gravitational pull. No matter their masses or compositions, all bodies accelerate at the same rate in a vacuum; the measurement and analysis of these rates is known as gravimetry.
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te. the electrons are emitted from the cathode with zero velocity, one velocity, or a range of velocities? explain.
Answers
When electrons are emitted from the cathode, they can have zero velocity, one velocity, or a range of velocities depending on the conditions under which they are emitted.
For example, in a vacuum tube, electrons are emitted from the cathode due to thermionic emission and they typically have a range of velocities.
However, in a photoelectric effect experiment, electrons are emitted from the cathode due to the absorption of photons and they typically have a well-defined velocity determined by the energy of the incident photons.
Similarly, in a field emission experiment, electrons are emitted from the cathode due to a high electric field and they typically have a high velocity.
Therefore, the velocity of the electrons emitted from the cathode depends on the mechanism of emission and the conditions under which they are emitted.
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An object raised above the ground is an example of which type of potential
energy?
A. Gravitational
B. Elastic
C. Magnetic
D. Mechanical
Answers
Answer:
Mechanical????????????
What is the difference between distance and displacement
Answers
Answer:
Distance is a scalar quantity that refers to "how much ground an object has covered" during its motion. Displacement is a vector quantity that refers to "how far out of place an object is"; it is the object's overall change in position.
Explanation:
Answer:
Distance is like school is 5 minutes from my house or the store is 2 miles for somewhere. Displacement is when you miss place or loss something, such as you lay your phone down and cant find it.
Explanation:
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What does the length of a velocity vector arrow represent
Answers
The magnitude of a vector is simply the square root of its components' sum. Because 32 + 42 = 25, the vector:3,4> has a magnitude of 5. The magnitude is 5 since 25 squared is 5. (units).
It has a radius of one and all unit vectors have the same magnitude.
iv. The lift raises a car of mass 850 kg to a height of 2.1 m. It uses a force of 8330 N and takes 4 seconds to raise the car. What is the power of the lift? (1 point)
Answers
Answer:
Power is 4373.25 W
Explanation:
We have,
The lift raises a car of mass 850 kg to a height of 2.1 m. It uses a force of 8330 N and takes 4 seconds to raise the car. It is required to find the power of the lift. Power is equal to the rate at which the work is done. So,
\(P=\dfrac{Fd}{t}\\\\P=\dfrac{8330\times 2.1}{4}\\\\P=4373.25\ W\)
So, the power of the lift is 4373.25 W.
(c) Life testing was made on six non-replaceable) electrical lamps and the following results were obtained. Calculate MTTF. (5 Marks)
Answers
MTTF or Mean Time to Failure can be calculated using the given data. The term MTTF is often used to describe the expected lifetime of electronic devices and other items.
Here is how to calculate MTTF when given data:(c) Life testing was made on six non-replaceable) electrical lamps and the following results were obtained.
Calculate MTTF.The following data has been given:Number of lamps, n = 6Total time, T = 10000 hoursFailures, f = 2MTTF formula is given as:MTTF = T / n * fWhere, T = total time during which the test was conducted.n = the number of items tested.f = the number of items failed.Using the given data, we can calculate the value of MTTF as follows:MTTF = T / n * f = 10000 / 6 * 2= 1666.67 hoursTherefore, the MTTF of the six non-replaceable electrical lamps is 1666.67 hours.
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