Two bodies of mass \( m \) and \( 4 m \) are moving with equal kinetic energies. What is the rat...

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Two bodies of mass \( m \) and \( 4 m \) are moving with equal kinetic energies. What is the ratio of their linear momenta?
a. \( 2: 1 \)
b. \( 1: 4 \)
c. \( 1: 2 \)
d. \( 1: 6 \)
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