Kinematics Question 578

Question: The velocity of projection of a body is increased by 2%. Other factors remaining unchanged, what will be the percentage change in the maximum height attained?

Options:

A) 1%

B)2%

C) 4%

D)8%

Show Answer

Answer:

Correct Answer: C

Solution:

[c] We know that, ym=H=(u sinθ)22g

=u2sin2θ2g

ΔHH=2Δuu. Given Δuu=2

ΔHH=2×2=4



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