Question

A particle moving in a straight line gradually slows down . What is the angle between velocity and acceleration

Answer 1

Answer:

In projectile motion when the object is moving up, the angle between velocity and acceleration (due to gravity g) is between 90 degree and 180 degree. during the downward motion of a projectile, the angle between velocity and acceleration is between 0 and 90 degree.

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Answer 2

Answer:

angle 180 degree =pi

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