Motion in a Plane :: Discussion


19.At the highest point of a projectile, its velocity and acceleration are at an angle of?
A.0°
B.45°
C.90°
D.180°
Answer:  Option  C
Explanation:

At the highest point of projectile, it has only horizontal velocity while the acceleration due to gravity acts vertically downwards. Therefore they are at an angle of 90°.

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Published by:Michael Daani

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