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A ball is thrown vertically upwards with a velocity of 20 m s −1 from the top of a multistorey building of 25 m high. How high will the ball rise from top of the building? (Take g = 10 m s

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emmanuelakanpagsi

Answer:

20m

Explanation:

How high the ball rise from top of the building is the same as the maximum height reached by the ball

using equation of motion under gravity

V^2=U^2+2gs

making s the subject

U^2/2g

20^2/2×10=20m

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