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yanalaym [24]
3 years ago
5

If we compare the force of gravity too strong nuclear force we would conclude that

Physics
2 answers:
Yuri [45]3 years ago
6 0
The force of gravity is much weaker than the strong nuclear force. But the strong nuclear force only acts over short distances, such as within the nuclues. The gravitational force can act over infinite distance.

Studentka2010 [4]3 years ago
5 0

Answer:

Force of gravity is weaker than strong nuclear force.

Force of gravity has infinite range where as strong nuclear force is a short range force.

Explanation:

The strong nuclear force and gravitational force are fundamental forces. Both have different characteristics. Gravitational force is the weakest force in nature where as the strong nuclear force is the strongest. Strong nuclear force binds the neutrons and protons in the nucleus of an atom. It is a short range force. Gravitational force exists between any two bodies having mass. It has infinite range.

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The net torce on an object moving with constant speed in circular motion is in which direction?
aleksley [76]

The correct answer is C) towards the center of the circle.

Although the object is moving at a constant speed it is constantly accelerating due to the constant change in direction as it describes the circular path. This causes a constant change in velocity as velocity is a vector quantity.

For the object to maintain the circular path there has to be centripetal force acting on the object and this centripetal force is directed towards the center of the circle.

6 0
3 years ago
a ball is thrown striaght up in the air and then falls back to earth. if the downward fall takes 2.2s, how fast is the ball trav
lapo4ka [179]

The velocity of the ball when it strikes the ground, given the data is 21.56 m/s

<h3>Data obtained from the question</h3>

From the question given above, the following data were obtained:

  • Time to reach ground from maximum height (t) = 2.2 s
  • Initial velocity (u) = 0 m/s
  • Acceleration due to gravity (g) = 9.8 m/s²
  • Final velocity (v) =?

<h3>How to determine the velocity when the ball strikes the ground</h3>

The velocity of the ball when it strikes the ground can be obtained as illustrated below:

v = u + gt

v = 0 + (9.8 × 2.2)

v = 0 + 21.56

v = 21.56 m/s

Thus, the velocity of the ball when it strikes the ground is 21.56 m/s

Learn more about motion under gravity:

brainly.com/question/22719691

#SPJ1

5 0
2 years ago
A 7 kg sled is initially at rest on a horizontal road. the sled is pulled a distance of 2.9 m by a force of 42 n applied to the
Artemon [7]
I have no idea on this question.
6 0
3 years ago
Most ozone is found in a region of Earth’s
kaheart [24]

Answer:

It’s stratosphere

Explanation:

7 0
3 years ago
What is the definition of reflection of light?​
Savatey [412]

Answer: Reflection is the change in direction of a wavefront at an interface between two different media so that the wavefront returns into the medium from which it originated. Common examples include the reflection of light, sound and water waves.

Explanation:

8 0
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