A. 3.0J
B. 6.0J
C. 30.0j
D. 60.0J
Correct Answer: Option D
D. 60.0J
Explanation
K.E = P.E = mgh
= 0.5 x 10 x 12 = 60J
![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.")
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