Question

10.What is the angle between velocity vector and acceleration vector in uniform

circular motion?​

Answer 1

Answer:

In a uniform circular motion, the angle between velocity vector and acceleration vector is always π/2.

Explanation:

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Answer 2

Answer:

(a) The direction of motion gives velocity which is in upward direction and the acceleration due to gravity acting in downward direction always hence angle is 180

0..

(b) Body is moving in downward direction hence velocity is in downward direction and acceleration is acting downwards hence angle is zero.

(c) In projectile motion, particle has velocity changing from point to point but acceleration acting in downward direction always.

(d) In uniform circular motion velocity is always tangential to the circular path at each point and centripetal acceleration acting always inwards towards center hence angle is 90

0.....

Explanation:

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