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Let g be the acceleration due to gravity...

Let g be the acceleration due to gravity at earth's surface and K.E be the rotational kinetic energy of the earth. Suppose the earth's radius decreases by 2% keeping all other quantities same, then

A

g decreases by 2% and K.E. decreases by 4%

B

g decreases by 4% and K.E. increases by 2%

C

g increases by 4% and K.E. increases by 4%

D

g decreases by 4% and K.E. increases by 4%

Text Solution

Verified by Experts

The correct Answer is:
C
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