Two masses of \( 1 \mathrm{~g} \) and \( 4 \mathrm{~g} \) are moving with equal kinetic energy. ...

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Two masses of \( 1 \mathrm{~g} \) and \( 4 \mathrm{~g} \) are moving with equal kinetic energy. The ratio of the magnitudes of their momenta is
(a) \( 4: 1 \)
(b) \( \sqrt{2}: 1 \)
(c) \( 1: 2 \)
(d) \( 1: 16 \)
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