A body is projected horizontally with 10 m/s from the top of a
tower of height 20 m, on reaching the ground its displacement is
(g = 10 m/s^2)
D)20 m
E)40 m
F)40 √ 2 m
G)20 √ 2 m

Question

A body is projected horizontally with 10 m/s from the top of a tower of height 20 m, on reaching the ground its displacement is (g = 10 m/s^2) D)20 m E)40 m F)40 √ 2 m G)20 √ 2 m

Vikas TU · Answer

Apply the eqns. in horizontally and vertical respectively. In x – direcn. we get, x = 10*t In y- direcn. we get, 20 = 0 + 0.5gt^2 t = 2 seconds. Hence, x = 10*2 = 20 meter.

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A body is projected horizontally with 10 m/s from the top of a tower of height 20 m, on reaching the ground its displacement is (g = 10 m/s^2) D)20 m E)40 m F)40 √ 2 m G)20 √ 2 m

A body is projected horizontally with 10 m/s from the top of a
tower of height 20 m, on reaching the ground its displacement is
(g = 10 m/s^2)
D)20 m
E)40 m
F)40 √ 2 m
G)20 √ 2 m

1 Answers

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A body is projected horizontally with 10 m/s from the top of a tower of height 20 m, on reaching the ground its displacement is (g = 10 m/s^2) D)20 m E)40 m F)40 √ 2 m G)20 √ 2 m

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

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A body is projected horizontally with 10 m/s from the top of a
tower of height 20 m, on reaching the ground its displacement is
(g = 10 m/s^2)
D)20 m
E)40 m
F)40 √ 2 m
G)20 √ 2 m