A) the point where it touches ground
B) another point on trajectory
C) starting point
D) at the maximum height
Correct Answer: C
Solution :
The relation for angular momentum is \[={{r}_{p}}\sin \alpha .\] The required conditions for angular momentum to be zero, is only \[r\] to be zero because momentum p can never be zero and also projected angle a can never be zero while the body is in projectile path.
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