Question
Question: In a projectile motion, KE varies with time as :...
In a projectile motion, KE varies with time as :
A
B
C
D
Answer
Explanation
Solution
Speed of the particle decreases till the highest point of the trajectory then again it increases. It never becomes zero at the highest point as at the highest point V > 0. Also KEαV2 i.e., curve is parabolic. Thus (2) is correct.