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Problem 2 - Entrance Test

A body is projected vertically upwards with a velocity of 20 m/s. Find the maximum height reached by the body. (g = 10 m/s^2)

Correct: C

Using the equation of motion, v^2 = u^2 + 2as. At the maximum height, v = 0. So, 0 = 20^2 - 2 * 10 * h. Solving for h, we get h = 20 m.