First slide
NA
Question

If the increase in the kinetic energy of a body is 22%, then the increase in the momentum will be (in %)

Moderate
Solution

P=2mE.  If m is constant then 
P2P1=E2E1=1.22EEP2P1=1.22=1.1
P2=1.1P1P2=P1+0.1P1=P1+10% of  P1
So the momentum will increase by 10%

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