Multiple choice question XXXV — task. Science CBSE, Class 9.

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Two masses \(m\) and \(9\ m\) are moving with \(equal\) kinetic energies. The ratio of the magnitudes of their momenta is:

\(1\ :\ 1\)
\(1\ :\ 3\)
\(3\ :\ 1\)
\(1\ :\ 9\)

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