A. 5J
B. 25J
C. 250J
D. 500J
E. 625J
Correct Answer:
Option D – 500J
Explanation
v² = u² + 2gh = 0 + 2 x 10 x 10
v² = 200; K.E = ½mv² = 1/2 x 5 x 200 = 500J
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![A body is projected vertically upwards with a speed of 10 ms‾¹ from a point 2m above the ground. Calculate the total time taken for the body to reach the ground. [g = 10ms‾²]](https://erudites.ng/wp-content/plugins/contextual-related-posts/default.png "A body is projected vertically upwards with a speed of 10 ms‾¹ from a point 2m above the ground. Calculate the total time taken for the body to reach the ground. [g = 10ms‾²]")
