Questions
Kinetic energy of a particle is increased by 4 times. What will be the relation between initial and final
momentum? [JIPMER 2018]
a
p2=2p1
b
p2=p1/2
c
p2=p1
d
p2=4p1
detailed solution
Correct option is A
Relation between kinetic energy and momentum isp1=2mK1∵ Kinetic energy is increased by 4 times, then K2=4K1Hence, p2=2mK2=2m4K1p2=22mK1 or p2=2p1Talk 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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