Kinematics Question 179

Question: A body falls freely from rest. It covers as much distance in the last second of it’s motion as covered in the first three seconds. The body has fallen for a time of [MNR 1998]

Options:

A) 3s

B) 5s

C) 7s

D) 9s

Show Answer

Answer:

Correct Answer: B

Solution:

12g(3)2=g2(2n1)n=5 s



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