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If the kinetic energy is increased 4 times its initial value, then how does its momentum change?

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+1 vote
in Fluid Mechanics by (118k points)
If the kinetic energy is increased 4 times its initial value, then how does its momentum change?

(a) 100%

(b) 50%

(c) 200%

(d) 150%

I got this question in an interview for internship.

I would like to ask this question from Kinetic Energy Correction and Momentum Correction Factors topic in portion Viscous Flow & Turbulent Flow of Fluid Mechanics

1 Answer

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Best answer
The correct answer is (a) 100%

The best explanation: Kinetic energy depends upon velocity and mass. The relation is K.E= 0.5mv^2. If we increase the kinetic energy by 4 times its initial value, the momentum has to be increased by 100% its initial value.

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