A particle of mass m is moving in a straight line with momentum p. Starting at time t = 0, a force F = kt acts in the same direction on the moving particle during time interval T, so that its momentum changes from p to 3p. Here, k is a constant. The value of T is

\({\rm{\;}}\sqrt {\frac{{2k}}{p}}\)

\({\rm{\;}}2\sqrt {\frac{p}{k}} \)

\({\rm{\;}}2\sqrt {\frac{k}{p}}\)

A particle of mass m is moving in a straight line with momentum p. Sta

1.	A particle of mass m is moving in a straight line with momentum p. Starting at time t = 0, a force F = kt acts in the same direction on the moving particle during time interval T, so that its momentum changes from p to 3p. Here, k is a constant. The value of T is
A.	\(\sqrt {\frac{{2p}}{k}}\)
B.	\({\rm{\;}}2\sqrt {\frac{p}{k}} \)
C.	\({\rm{\;}}\sqrt {\frac{{2k}}{p}}\)
D.	\({\rm{\;}}2\sqrt {\frac{k}{p}}\)
Answer» C. \({\rm{\;}}\sqrt {\frac{{2k}}{p}}\)

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A particle of mass m is moving in a straight line with momentum p. Starting at time t = 0, a force F = kt acts in the same direction on the moving particle during time interval T, so that its momentum changes from p to 3p. Here, k is a constant. The value of T is

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