Question

Velocity of a body changes if _____or______ or both changes with time.​

Answer 1

Answer:

Acceleration ,constant velocity

Explanation:

Acceleration is defined as change of velocity in unit time. So if acceleration is zero, there is no change of velocity, the body is moving with a constant velocity.

Answer 2

Answer:

speed, direction

Explanation:

A change in speed, or a change in direction, or a change in both speed and direction means that the object has a change in velocity.

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