when it returns to the poin of projection a. Its average speed is u/2. b. Its average velocity is zero.

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A particle is projected vertically upward with velocity u from a point A, when it returns to the poin of projection a. Its average speed is u/2. b. Its average velocity is zero.
19
Sep
A particle is projected vertically upward with velocity u from a point A, when it returns to the poin of projection a. Its average speed is u/2. b. Its average velocity is zero. A particle is projected vertically upward with velocity u from a point A when it returns to the poin of projection a. [...]
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