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20-10-2021
Physics

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a ball thrown horizontally with the velocity of 20 m\s from a 20 m building .what is the time

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storageformedicine storageformedicine

26-10-2021

Answer:2.02s

Explanation:

At the y component, the tract of the ball is free falling body. The initial velocity at y component is 0 m/s.

Height = 1/2 * g * t^2

20 = 1/2 * 9.8 * t^2

t = (20 * 2 / 9.8)^1/2, t = 2.02s

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