The mass of two substances are 4gm and \[9gm\] respectively. If their – McqOptions

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1.	The mass of two substances are 4gm and \[9gm\] respectively. If their kinetic energies are same, then the ratio of their momenta will be [CPMT 2001]
A.	4 : 9
B.	9 : 4
C.	3 : 2
D.	2 : 3
Answer» E.

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