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question mark

A 4 kg mass and 1 kg are moving with equal kinetic energies. The ratio of the magnitudes of their linear momenta is

(a) 1: 2

(b) 1: 1

(c) 2: 1

(d) 4: 1

Simran Bhatia , 12 Years ago
Grade 11
anser 1 Answers
Navjyot Kalra

(c)
E = 1/2 mv2. Hence, mv = (2mE)1/2.
For same
KE, momentum ? √m.
Hence, the ratio is 2:1.

Last Activity: 12 Years ago
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