CGPET 2018 Solved Paper

Section: Physics

Question : 19 of 150

Marks: +1, -0

A policeman fires a bullet of mass 50g with a speed of 200m∕s, in a wooden piece of thickness 2.0cm. The bullet leaves the wooden piece with only 10% of its initial kinetic energy. By how much percentage has the speed of the bullet been reduced?

74.2%
40%
90%
68.4%

Validate

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