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Questions  

A ball thrown by one player reaches the other in 2 sec. The maximum height attained by the ball above the point of projection will be about

a
2.5 m
b
5 m
c
7.5 m
d
10 m

detailed solution

Correct option is B

t=2 u sin⁡θg or 2=2u sin⁡ θg∴u sin ⁡θ=g∴hm=u2sin2⁡θ2g=g22g=g2=5m.

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