Questions
A bullet is fired from a rifle and the rifle recoils. Kinetic energy of rifle is
a
less than K.E. of bullet
b
greater than K.E. of bullet
c
equal to K.E. of bullet
d
none of the above
detailed solution
Correct option is A
Momentum of the system is conserved. Mr.vr = Mb.vb = pNow and Since Mr >> Mb, (KE)r << (KE)bTalk to our academic expert!
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A light body A and a heavy body B have equal linear momentum. Then the KE of the body A is
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