Question

An object moves in a straight line along a horizontal surface. The position x of the object as a function of time t is shown by the graph. Which of the following statements are true for the object?

Answer 1

A and D

Step-by-step explanation:

A:the kinetic energy does decrease due to the decrement of the velocity i.e the slope is negative velocity.

it is true

B.the change of moment is not zero cause there is difference between initial and final velocity

it is false

c.also work done is not zero you can chaekc it using the formula 1/2m (vf -vi)² and choice

it is flase

D. the impulse is the applied force per time Which is mass of the object multiplied by it's the change in momentum. it is true

Answer 2

An object moves in a straight line along a horizontal surface.