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A body falls freely form rest. It covers...

A body falls freely form rest. It covers as much distance in the last second of its motion as covered in the first three seconds. The body has fallen for a time of

A

3 s

B

5 s

C

7 s

D

9 s

Text Solution

Verified by Experts

The correct Answer is:
B
Let us assume the body falls for n seconds ` ," " (1)/(2) g (3)^(2) =(g)/(2) (2n-1) rArr n=5 s `
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VMC MODULES ENGLISH-KINEMATICS OF A PARTICLE -LEVEL 1
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