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Work, Energy and Power
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Two masses of 1g and 9g are moving with equal kinetic energies. The ratio of the magnitudes of their respective linear momenta is
1 : 9
9 : 1
1 : 3
3 : 1
Correct Option:
C
1
(1)v
1
2
=
1
(9)v
2
2
2
2
⇒
v
1
2
= 9 or
v
1
= 3
v
2
2
v
2
Ratio of their linear momenta =
m
1
v
1
=
1
× (3) =
1
m
2
v
2
9
3
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