A. 25.0m
B. 20.0m
C. 1.3m
D. 1.0m
Correct Answer:
Option C – 1.3m
Explanation
P.E = K.E
Therefore, h = v²/2g=5²/2×10
= 1.25; Approx 1.3m
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![A body of mass 20g projected vertically upwards in vacuum returns to the point of projection after 1.2s. [g = 10ms-2]. Determine the potential energy of the body at the maximum height of its motion.](https://erudites.ng/wp-content/plugins/contextual-related-posts/default.png "A body of mass 20g projected vertically upwards in vacuum returns to the point of projection after 1.2s. [g = 10ms-2]. Determine the potential energy of the body at the maximum height of its motion.")