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A body is projected at time t = 0 from a...

A body is projected at time `t = 0` from a certain point on a planet's surface with a certain velocity at a certain angle with the planet's surface (assumed horizontal). The horizontal and vertical displacement x and y (in metre) respectively vary with time t in second as, `x= (10sqrt(3)) t and y= 10t - t^2`. The maximum height attained by the body is

A

100 m

B

75 m

C

50 m

D

25 m

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The correct Answer is:
D
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