The reason why the two protons in a helium nucleus that repel each other electrically do not fly part is because of the strong nuclear force, which is attractive and much stronger than the electrostatic repulsion between the protons
The two protons in a helium nucleus do indeed repel each other electrically due to their positive charges. However, the nucleus does not fly apart because of the strong nuclear force, which is a fundamental force in nature that acts between nucleons (protons and neutrons). This force is attractive and much stronger than the electrostatic repulsion between the protons, but it only operates over very short distances (on the order of the size of an atomic nucleus).
In a helium nucleus, there are two protons and two neutrons. The strong nuclear force binds these nucleons together, overcoming the electrostatic repulsion between the protons. Neutrons, being electrically neutral, do not contribute to the repulsion but do contribute to the strong nuclear force, further stabilizing the nucleus.
Overall, it is the balance between the attractive strong nuclear force and the repulsive electrostatic force that keeps the helium nucleus stable and prevents it from flying apart. This balance is crucial for the existence of atomic nuclei and is essential for understanding the behavior of atomic matter.
Learn more about protons here: https://brainly.com/question/29636689
#SPJ11
What is the approximate time of death if the body temperature was 10°C (50°F)?
If the body temperature was 10°C, the approximate time of death would be between 12 and 36 hours, depending on the surroundings and other variables.
What time does death occur?However, it's crucial to note that the time of death can be influenced by several factors like the environment, clothing, and the person's physical state. The time of death can also be estimated by measuring the body temperature, also known as algor mortis.
After death, the body temperature decreases at a rate of roughly 1.5°C per hour, though this might change depending on the surroundings and other variables. It is impossible to pinpoint the exact time of death if the body temperature was 10°C, although it may indicate that death happened several hours earlier because the body temperature will continue to drop after death.
However, other techniques, like lividity, rigor mortis, and inspection of the stomach contents, are more accurate, hence it is not advised to utilize this method alone to establish the time of death. For a more precise estimation of the time of death, a forensic specialist should be consulted.
Learn more about time of death here:
https://brainly.com/question/16390042
#SPJ1
17. When people replace systems, even when they still work, this is an example of... *
A. Consumerism
B. Automation
C. Manual Labour
D. None of the above
I'm gonna have to guess B) Automation sorry if I get it incorrect
Which can be excluded from the list of events caused by the flow of thermal energy inside the earth.
A volcano erupts when there is an accumulation of magma in the magma chamber. The volcano spews out lava, pyroclastic debris, and magma. Because heat is discharged to the Earth's surface, it is connected to the thermal energy within the planet.
Thunderstorms arise when three factors come together: unsteady weather, rising cold air, and a enough amount of precipitation. According to the requirements for thunderstorm formation, it has nothing to do with the movement of thermal energy within the Earth. Climate on Earth is driven by solar energy. The sun's energy heats the surface of the planet, warms the atmosphere, fuels photosynthesis, causes evaporation, controls the weather and water cycles, and drives ocean currents. The sun is setting through the atmosphere in the astronaut shot on the right, taken from the International Space Station.To know more about thermal energy
https://brainly.com/question/24766342
#SPJ4
Answer:
thunder storms
Explanation:
i took t
A gas is taken in a vessel which is then sealed. The gas is then heated. How will the
temperature, pressure and volume of the gas change?
Since the vessel is sealed, all of
them will remain the same.
А
B
The temperature will increase,
the pressure and volume will
remain the same.
The temperature and pressure
will increase, the volume will
remain the same.
The temperature, pressure and
volume will all increase.
D
I
Answer:
B
Explanation:
heating increases the temperature, increase in temperature increases number of collisions hence increases pressure,volume still remains because there is no addition
Heating increases the temperature, increase in temperature increases the number of collisions hence increasing pressure, volume still remains because there is no addition
The answer is option B.
Does increasing temperature increase the number of collisions?Due to the fact the frequency of collisions depends on the temperature, A is virtually now not steady. Instead, A will increase slightly with temperature as the extended kinetic energy of molecules at higher temperatures reasons them to move barely faster and for that reason go through more collisions consistent with unit time.
The extent of the fuel consequently turns large because the temperature of the fuel will increase. As the number of gas particles increases, the frequency of collisions with the partitions of the box ought to grow.
Learn more about kinetic energy here: https://brainly.com/question/25959744
#SPJ2
PLOT A GRAPH OF L AGAINST T² AND DETERMINE THE SLOPE
The measured value of g is determined by the slope of the time period T² vs. l graph (acceleration due to gravity).
Time period the amount of time that a behavior lasts or a condition persists. Depending on the type of activity or situation under consideration, it may be measured in seconds or in millions of years.
the duration T as determined by the formula T = 2π √(l/g). The pendulum's length, l, is indicated here.
The result of squaring both sides is T² = 4π² l/g
42 and g are constants, thus
⇒ T² = ml
The slope of the T² vs l graph in this case is m. The slope's value is m = 4π²/g
We can determine the value of g from the slope of the graph by substituting π = 10 in the equation above.
g = 40/m
To learn more about Time period from given link
https://brainly.com/question/28570026
#SPJ1
A ball of mass 1 kg is dropped from a height of 3 m. Assume no air resistance. After it bounces off the ground it only reaches a height of 2 m. What is the change in momentum of the before and after the bounce?.
The difference between the momentum before and after the bounce was 1.407 kg/s.
initial energy = mg(3) J = 29.4J
After bouncing ,energy = mg(2) =19.6J
Ball's change in energy = 29.4J - 19.6J = 9.8J
This energy is dissipated in the form of heat energy or sound energy.
work done during the bounce = 9.8J
change in momentum = mvf-mvi
29.4 = 1/2m\(vi^{2}\)
vf =7.668m/s
19.6J =1/2m\(vf^{2}\)
vf=6.261m/s
Change in momentum = m(vf-vi) = 1kg x (-1.407m/s) = -1.407
Learn more about momentum here:
https://brainly.com/question/24030570
#SPJ4
A wave has a frequency of 30 hz and speed of 60 m/s what is the wavelength of the wave
The definition of frequency, expressed in hertz, is the number of oscillations of a wave per unit of time (Hz). The relationship between frequency and pitch is straightforward. Frequencies between 20 and 20000 Hz are audible to humans.
What is the relation in frequency and wavelength in wave?The number of wave cycles or revolutions per second is known as frequency. The following is the frequency-based formula for period (T): If wavelength and velocity are taken into account for any wave, the Frequency Formula is expressed as. f = v λ
he relationship between these two factors is justified by the fact that the speed at which a wave travels is equal to the product of its frequency and wavelength.
V=fλ
f represent frequency
V= speed
λ = wavelength
by using this formula
λ = v/ f = 2nm
Therefore, 2nm is the wavelength of the wave.
Learn more about wave here:
https://brainly.com/question/25954805
#SPJ4
A gamma ray photon has a higher frequency than a radio photon. Therefore, the gamma ray photon has
- a shorter wavelength, higher energy, and same speed. - a longer wavelength, lower energy, and same speed. - a longer wavelength, higher energy, and same speed. - a shorter wavelength, higher energy, and higher speed. - a shorter wavelength, lower energy, and lower speed. - a longer wavelength, higher energy, and no speed.
A gamma ray photon has a higher frequency than a radio photon. Therefore, the gamma ray photon has a shorter wavelength, higher energy, and same speed.
This is because the energy of a photon is directly proportional to its frequency and inversely proportional to its wavelength. Since the gamma ray photon has a higher frequency than a radio photon, it also has higher energy. And since the energy of a photon is inversely proportional to its wavelength, the gamma ray photon must have a shorter wavelength than a radio photon. The speed of light is constant in a vacuum, so both photons travel at the same speed.
Therefore, the correct answer is "a shorter wavelength, higher energy, and same speed."
To learn more about gamma ray visit;
https://brainly.com/question/12528914
#SPJ4
A 10-kg medicine ball is thrown at a velocity of 15 m/s to a 65-kg person who is at rest on ice. The
person catches the ball and subsequently slides with the ball across the ice. Determine the velocity of
the person and the ball after the collision.
Answer:
2 m/s
Explanation:
Conservation of momentum:
momentum after catch = momentum of system before catch
before catch . momentum = 10 kg * 15 m/s = 150 kg-m/s
after catch m = 65 + 10 = 75 kg
75 kg * v = 150 kg-m/s
v = 2 m/s
an objest with the mass of 2 kg is accelerated at 4 m/s2. the net force acting on the object is
a) 2N
b) 20N
c) 5N
d) 10N
the potential difference across two plates is 1.50 V. if the plates are 8.22*10^-4 m apart, what is the electric field between them?
Answer: 1820
Explanation:
acellus
Question 3 of 10
An artist uses a ratio that compares the length and width of an average
human face. Which type of model is this?
A. It is mathematical.
B. It is computer-generated.
C. It is physical.
D. It is conceptual.
SUBMIT
Answer:
Mathematical
Explanation:
Because you are comparing the length and width
Solve (x – 3)2 = 49. Select the values of x. –46 -4 10 52
The solution to the equation is; x =4 and x = 10
How do you solve an equation?In most cases, the goal is to isolate the variable (usually represented by x) on one side of the equation. To do this, you can use inverse operations (e.g., adding, subtracting, multiplying, or dividing both sides of the equation by the same value) to cancel out any other terms.
If the equation contains more than one variable, you will need to repeat the above steps to solve for the other variables.
Now we have that;
(x – 3)^2 = 49
x^2 - 6x + 9 = 49
Learn more about equation:https://brainly.com/question/29657983?
#SPJ1
Body 1 has a mass m, and its moving in a circle with a radius r at a speed v. It has a centripetal force. F acting on it. If body 2 has a mass 2m and its moving in a circle of radius 4r at a speed 4v, what is the centripetal force acting on it
Answer:
The centripetal force on body 2 is 8 times of the centripetal force in body 1.
Explanation:
Body 1 has a mass m, and its moving in a circle with a radius r at a speed v. The centripetal force acting on it is given by :
\(F=\dfrac{mv^2}{r}\)
Body 2 has a mass 2m and its moving in a circle of radius 4r at a speed 4v. The centripetal force on body 2 is :
\(F'=\dfrac{2m\times (4v)^2}{4r}\\\\F'=\dfrac{2m\times 16v^2}{4r}\\\\F'=8\dfrac{mv^2}{r}\\\\F'=8F\)
So, the centripetal force on body 2 is 8 times of the centripetal force in body 1.
a block weighing (Fg) 500 N is resting on a steel table ( us=0.74) the minimum force start this block moving is?
The minimum force required to start this block moving is 370 N.
The given parameters;
weight of the block, W = 500 Ncoefficient of static friction, \(\mu_s\) = 0.74The minimum force required to start this block moving is calculated as follows;
\(F= \mu_s F_n\)
where;
\(F_n\) is the normal force on the block which is equal to the weight of the block
\(F= \mu_s F_n \\\\F= \mu_s W\\\\F = 0.74 \times 500 \\\\F= 370 \ N\)
Thus, the minimum force required to start this block moving is 370 N.
Learn more here: https://brainly.com/question/13877320
How does an object's motion change as a result of centripetal acceleration?
Centripetal acceleration, the acceleration of a body traversing a circular path. Because velocity is a vector quantity (that is, it has both a magnitude, the speed, and a direction), when a body travels on a circular path, its direction constantly changes and thus its velocity changes, producing an acceleration.
Suppose you were to choose a new point on the trajectory where the curvature is different from that at point C
Is the magnitude of the acceleration at the new point g the magnitude of the acceleration at point C Explain
The magnitude of the acceleration at a new point on the trajectory where the curvature is different from that at point C would not necessarily be the same as the magnitude of the acceleration at point C.
Acceleration is defined as the rate of change of velocity with respect to time. In the context of curved motion, acceleration can be decomposed into two components: tangential acceleration and centripetal acceleration.
Tangential acceleration is responsible for changes in speed, while centripetal acceleration is responsible for changes in direction.
In a curved trajectory, the curvature determines the rate at which the direction of motion is changing. Points with higher curvature will have a greater rate of change in direction, and thus, a higher magnitude of centripetal acceleration.
Consequently, the magnitude of acceleration at the new point with a different curvature would likely be different from that at point C.
It's important to note that the gravitational acceleration (represented by g) is a constant acceleration due to gravity and is not directly related to the curvature of the trajectory.
Therefore, the magnitude of the gravitational acceleration would not necessarily be equal to the magnitude of the acceleration at point C or any other point on the trajectory with a different curvature.
To know more about trajectory refer here
https://brainly.com/question/28547725#
#SPJ11
Which forms of heat transfer require matter(particles) to happen? (Select all that apply)
Conduction
Convection
Radiation
None of these
Answer.
Conduction
Convection
explanation.
Heat can travel from one place to another in three ways: Conduction, Convection and Radiation. Both conduction and convection require matter to transfer heat. If there is a temperature difference between two systems heat will always find a way to transfer from the higher to lower system.
if the forces are moving in the same direction, ____ the forces. Please help i’m actually so confused!
Answer:
Explanation:
the directions may change
Or they will repel and become opposite sides
what is fast carbon and what is slow carbon
please dont search it up need this right now extra points!
Answer:
the fast carbon cycle follows the movement of carbon through living (biotic) components of an ecosystem. This occurs faster because life moves more quickly. The fast carbon cycle focuses primarily on the biosphere, while the slow carbon cycle is more involved with the hydrosphere, lithosphere and atmosphere.
Explanation:
How much force is needed to accelerate a dirt bike 15 m/s2 if the bike and rider has a mass of 65 kg?
Answer:
975 N
Explanation:
Force = acceleration • mass
Force = 15 m/s/s • 65kg
Force = 975 N
A 3.1 x 1023 kg object and a 7.3 x 105 kg object are orbiting each other in deep space. If these two objects are 4.3 x 1010 meters apart, what is the magnitude of their gravitational force?
The gravitational force on the object of masses 3.1×10²³ kg and 7.3×10⁵ kg respectively is 8.16×10⁻³ N.
What is gravitational force?Gravitational force is the most prevalent force in the universe, pulling together on any two objects with mass in the universe.
To calculate the magnitude of the gravitational force, we use the formula below.
Formula:
F = GmM/r²............... Equation 1Where:
F = Gravitational forcem = Mass of the first objectM = Mass of the second objectr = Distance between the objectsG = Universal constant.From the question,
Given:
m = 3.1×10²³ kgM = 7.3×10⁵ kgG = 6.67×10⁻¹¹ Nm²/kg²r = 4.3×10¹⁰ mSubstitute these values into equation 1
F = (3.1×10²³× 7.3×10⁵×6.67×10⁻¹¹)/(4.3×10¹⁰ )²F = 8.16×10⁻³ NHence, the gravitational force is 8.16×10⁻³ N.
Learn more about gravitational force here: https://brainly.com/question/19050897
#SPJ1
permeability is a measure of a material's ability to:
Permeability is a measure of a material's ability to: transmit the fluids.
What is meant by permeability?Measure of the ease of flow of a fluid through a porous solid is known as permeability. Rock may be extremely porous, but if pores are not connected, it will not have permeability.
Permeability is determined by applying head and determining depth of penetration or the amount of liquid or gas passing through sample.
Widely used are permeability μ = B0/H0 (B0 is the magnetic flux density B at the point P and H0 is the magnetic field H ) and differential permeability μd = dB/dH.
To know more about permeability, refer
https://brainly.com/question/14994810
#SPJ4
what are the belts and zones in the atmospheres of jupiter and saturn?
The belts and zones in the atmospheres of Jupiter and Saturn are atmospheric features with different wind systems, temperatures, and colors. The belts are darker regions on the planet, while the zones are lighter regions.
Saturn and Jupiter have a multilayered, gaseous atmosphere with the majority of their composition being hydrogen and helium. The belts and zones in Jupiter's atmosphere are classified based on their coloration, with white bands being zones and dark bands being belts. Jupiter's atmospheric bands stretch for thousands of kilometers and are separated by wind zones with wind speeds that reach 360 km/h. The zones and belts are caused by convection currents in the atmosphere, with the bands lying on top of powerful rotating flows of gas. As a result, the zones and belts have a high-speed jet stream that separates them. In Saturn's atmosphere, belts and zones are not as noticeable as they are in Jupiter's. Saturn's belts are relatively faint, with its zones being brighter. The reason for this difference is that Saturn's atmosphere has less convection and more uniform cloud cover than Jupiter's. Saturn's atmosphere has a series of bands and belts, with belt and zone winds at different latitudes and altitudes and different colors. Saturn's North Pole is currently home to a huge hexagonal jet stream. It is one of the most striking examples of the belts and zones in Saturn's atmosphere. Both Jupiter and Saturn have belts and zones in their atmospheres that are similar in structure, but they vary in their coloration, widths, and wind systems. The belts and zones in Jupiter's atmosphere are more distinctive than those in Saturn's. Jupiter's belts are generally darker and more noticeable than its zones, while Saturn's belts are fainter and less distinct. Jupiter's atmospheric bands are caused by powerful convection currents that generate high-speed jet streams and separate the bands, while Saturn's bands are more uniform and less turbulent. Jupiter has strong winds and storms, while Saturn's winds are generally weaker than Jupiter's and have fewer storms. Both planets' atmospheres consist primarily of hydrogen and helium, with trace amounts of other elements. Saturn and Jupiter's belts and zones are fascinating features that have been studied extensively, revealing a great deal about their atmospheres and weather patterns. The differences between the belts and zones in the atmospheres of these planets help scientists understand the underlying mechanisms that cause the observed phenomena.
Thus, the belts and zones in the atmospheres of Jupiter and Saturn are complex atmospheric features with varying wind systems, temperatures, and colors. The belts and zones are caused by powerful convection currents in the atmosphere, which generate high-speed jet streams and separate the bands. Jupiter's atmospheric bands are more distinct and noticeable than those of Saturn, while Saturn's belts and zones are fainter and less turbulent. The belts and zones in the atmospheres of these planets are fascinating features that reveal a great deal about their atmospheric composition, dynamics, and weather patterns.
To learn more about uniform cloud visit:
brainly.com/question/33474453
#SPJ11
Do hot air balloons float in air because of the low density of the air inside the balloon explain this with the help of?
Yes, hot air balloons float in the air because of the low density of the air inside the balloon.
This can be explained with the help of Archimedes' principle and the ideal gas law. Understand Archimedes' principle - It states that an object immersed in a fluid experiences an upward buoyant force equal to the weight of the fluid displaced by the object. In the case of a hot air balloon, the fluid is the surrounding air.
Apply the ideal gas law - It states that PV = nRT, where P is pressure, V is volume, n is the number of moles of gas, R is the gas constant, and T is temperature. For a hot air balloon, the temperature (T) inside the balloon is higher than the surrounding air, which causes the air molecules inside to spread out and occupy a larger volume (V). This results in a lower density of air inside the balloon.
Relate the concepts - As the density of air inside the balloon decreases due to the increased temperature, the balloon displaces a greater amount of surrounding air. According to Archimedes' principle, this increases the buoyant force acting on the balloon, allowing it to float in the air.
In summary, hot air balloons float in air because the low density of air inside the balloon, caused by increased temperature, results in a greater buoyant force according to Archimedes' principle.
More on density: https://brainly.com/question/13931218
#SPJ11
Your 1000-m-long starship has warning lights at each end that, to you, flash simultaneously every minute. You are moving directly away from the planet Zerkon at 0.70c.
To a Zerkonian, do the lights flash simultaneously? If not, which flashes first-the light at the front of your ship or the trailing one?
Answer Choices:
A. The lights flash simultaneously.
B. The front light flashes first.
C. The trailing light flashes first.
D. Not enough information given to answer the question.
To a Zerkonian observer, the lights on your starship do not flash simultaneously. The trailing light flashes first.
This is due to the phenomenon of time dilation, predicted by Einstein's theory of relativity. As you, the observer on the starship, are moving away from the planet Zerkon at a high velocity of 0.70c (70% of the speed of light), time appears to be passing slower for you relative to the stationary frame of reference on Zerkon. As a result, the time interval between the flashes of the warning lights, which is one minute in your frame of reference, will be dilated or stretched from the perspective of the Zerkonian observer. The light at the front of your starship, which is moving away from Zerkon, takes longer to reach the observer compared to the light at the trailing end. Therefore, the trailing light will be observed to flash first by the Zerkonian observer. Hence, the correct answer is C. The trailing light flashes first.
To learn more about light
https://brainly.com/question/104425
#SPJ11
The Jamaican bobsled team hit the brakes on their sled so that it decelerates at
a
uniform rate of 0.43 m/s?. How long does it take to stop if it travels 85 m before
coming to rest?
the answer is in the photo
hopes it help!
how do you determine if something is physical or chemical
We can determine whether a change is physical or chemical by analyzing the what type of change is occurred. The change in color or formation of new product is a chemical change.
What is a chemical change ?A chemical change is a type of change which include the breaking or making of chemical bonds and the formation of new products which has properties different from the initial substances.
Phase changes, change in size, shape, dissolving, conductivity etc. are physical changes. They do not involve any change in chemical bonds or the formation of new product.
The change in color indicates the formation of a new product. All the chemical reactions like the corrosion of metals reaction of metals with acids or water etc . are all chemical changes.
Find more on physical changes:
https://brainly.com/question/21509240
#SPJ1
Question 1 (2 points)
(01.01 LC)
Which of the following is a characteristic of science? (2 points)
QU
Reproducible by other scientists
Ob
The personal opinion of the scientist
С
Using variable conditions for each test
d
Including only the data that supports a hypothesis
Answer:
Reproducible by other scientists
Explanation:
I just took the test
high heels shoes are more likely to damage floor than flat shoes . do you agree? explain.
yesssss I am agree ......
Answer:
Yes, I agree. The pressure exerted upon the floor is larger for high heel shoes than flat shoes, hence causing more damage to the floor.
Explanation:
Pressure is force/area. High heel shoes have a sharp point at which they touch the floor, while flat shoes have a flatter surface at which they touch the floor. Due to you exerting the same force anyway, the area is smaller for high heel shoes.
As you might know, the smaller a denominator is, the larger the number is. As an example, 3/1 is larger than 3/2. 3/1 is 3, and 3/2 is 1.5. Hence, the force is larger for high heel shoes, and it will cause more damage.
Hope this helped!