SATHEE: Work Energy and Power - Result Question 31

Work Energy and Power - Result Question 31

34. A $4 k g$ mass and $1 k g$ are moving with equal kinetic energies. The ratio of the magnitudes of their linear momenta is

[1989]

(a) $1 : 2$

(b) $1 : 1$

(d) $4 : 1$

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Answer:

Correct Answer: 34. (c)

Solution:

For same KE, momentum $\propto \sqrt{m}$ .

Hence, the ratio is $2 : 1$ .

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Work Energy and Power - Result Question 31

34. A 4kg mass and 1kg are moving with equal kinetic energies. The ratio of the magnitudes of their linear momenta is

Answer:

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34. A $4 k g$ mass and $1 k g$ are moving with equal kinetic energies. The ratio of the magnitudes of their linear momenta is