A body is projected horizontally from the top of a tower. When the body strikes the ground, its velocity is V and the direction of motion makes 300 with the horizontal. The velocity of projection is
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a
3V2
b
V3
c
V2
d
2V3
answer is A.
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Detailed Solution
if final velocity V and it makes an angle 300 then V cos 300 =Vx =initial velocity Vx =3 V2
A body is projected horizontally from the top of a tower. When the body strikes the ground, its velocity is V and the direction of motion makes 300 with the horizontal. The velocity of projection is