1.

If linear momentumof a body is increases by 2 % its kinetic energy increases by ………

Answer»

<P>0.02
0.04
0
0.1

Solution :`K = (p^(2))/(2M)`
` :. (DELTAK)/K xx 100 = 2 (Deltap)/p xx100 +(Deltam)/m ` but
m is constant
` = 2xx2 ` %
= 4 %


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