Questions
The kinetic energy of a body of mass 4 kg and momentum 6 N-s will be
a
4.5J
b
2.5J
c
5.5J
d
3.5J
detailed solution
Correct option is A
Given, m = 4 kg, p = 6 N-sWe know that, kinetic energy of a body,K=p22m,K=(6)22×4⇒K=362×4=4.5Talk 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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