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A body is projected horizontally with 10 m/s from the top of atower of height 20 m, on reaching the ground its displacement is(g = 10 m/s^2)D)20 mE)40 mF)40 √ 2 mG)20 √ 2 m
Apply the eqns. in horizontally and vertical respectively.In x – direcn. we get,x = 10*tIn y- direcn. we get, 20 = 0 + 0.5gt^2t = 2 seconds.Hence,x = 10*2 = 20 meter.
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