# physics

posted by .

if a moving body changes its velocity from 30m/s to 15m/s the body's motion becomes?

• physics -

it becomes slower as by newton's 2nd law, it undergoes a change in momentum, assuming its mass is kept constant.

a resultant force acts in the opposite direction of its motion. hence it retards.

## Similar Questions

1. ### Physics(check)

13)What can you say about the motion of a body if its velocity-time graph is a straight line inclined with the time axis?
2. ### Chels

What can you say about the motion of a body if its veloctiy-time graph is a straight line inclined with the time axis?
3. ### College Physics

The only force acting on a 3.9 kg body as it moves along the positive x axis has an x component Fx = - 6x N, where x is in meters. The velocity of the body at x = 3.0 m is 8.0 m/s. (a) What is the velocity of the body at x = 4.0 m?
4. ### Physics

1)A car is moving with uniform accelaration. It moves along two point A and B and enters with velocity 50 m/s and 80 m/s respectively . Find the velocity when the car is moving in b/w the point A and B. Here the body is not starting …
5. ### Physics

A body of mass 10kg moving with velocity 30m/s collide with another body of mass 15kg.If the velocity of both the body are same after collision.Then find their common velocity.
6. ### Physics

A body is moving north at 12m/s and 5 seconds later it has a velocity of 30m/s in the same direction. What was the acceleration of the body?
7. ### science

a body B moving a velocity of 20m/s collid with anothet body A moving in the same direction on the same horzontal line with a velocity of 10m/s, if the of body A is three time the same of body B and the collion perfectly elastic calculate …
8. ### Physics

A body P of mass 5kg moving with a velocity of 30M/s collids with another body q moving in opposite direction with a velocity of 20m/s.If the bodies now move in the direction of P at velocity 10m/s.calculate the mass of q
9. ### physics

a body British moving with a velocity of 20ms(power -1) collides with another body A, moving in the same direction on the same horizontal line with a velocity of 10ms (power -1).if the mass of the body A is three times the mass of …
10. ### Physics

A body vibrates in simple harmonic motion with an amplitude of 5 cm and a frequency of 0.50 Hz. a) Calculate: i) the maximum acceleration ii) the maximum velocity iii) the magnitude of the acceleration and velocity when the body is …

More Similar Questions