Kinematics Question 192

Question: A stone thrown upward with a speed u from the top of the tower reaches the ground with a velocity 3u . The height of the tower it’s [EAMCET 1983; RPET 2003]

Options:

A) 3u2/g

B) 4u2/g

C) 6u2/g

D) 9u2/g

Show Answer

Answer:

Correct Answer: B

Solution:

v2=u2+2gh
(3u)2=(u)2+2ghh=4u2g



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