Q.
If the kinetic energy of a body becomes four times of its initial value, then new momentum will
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a
Becomes twice its initial value
b
Become three times its initial value
c
Become four times its initial value
d
Remains constant
answer is A.
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Detailed Solution
P=2mE ∴P∝E i.e. if kinetic energy becomes four time then new momentum will become twice.
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