Two bodies of masses m and 4m are moving with equal kinetic energies . the ratio of their linear momenta is:
(a) 1:4
(b)4:1
(c)1:2
(d)1:2½

Question

Two bodies of masses m and 4m are moving with equal kinetic energies . the ratio of their linear momenta is: (a) 1:4 (b)4:1 (c)1:2 (d)1:2½

Deeksha · Answer

Kinetic energy = P^2/2mGiven, KE = KE`m = mm` = 4mAccording to question,P^2/2m=P`^2/2(4m)P^2/P`^2=1/4P/P`= √1/4P/P`=1/2

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Two bodies of masses m and 4m are moving with equal kinetic energies . the ratio of their linear momenta is: (a) 1:4 (b)4:1 (c)1:2 (d)1:2½

Two bodies of masses m and 4m are moving with equal kinetic energies . the ratio of their linear momenta is:
(a) 1:4
(b)4:1
(c)1:2
(d)1:2½

1 Answers

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Two bodies of masses m and 4m are moving with equal kinetic energies . the ratio of their linear momenta is: (a) 1:4 (b)4:1 (c)1:2 (d)1:2½

Two bodies of masses m and 4m are moving with equal kinetic energies . the ratio of their linear momenta is: (a) 1:4 (b)4:1 (c)1:2 (d)1:2½

1 Answers

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Two bodies of masses m and 4m are moving with equal kinetic energies . the ratio of their linear momenta is:
(a) 1:4
(b)4:1
(c)1:2
(d)1:2½