A bullet travelling with a speed of 150 m/s is justable to pierce a pl – InterviewSolution

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1.	A bullet travelling with a speed of 150 m/s is justable to pierce a plank 4 cm thick. What should bethe velocity of the bullet so that it is just able topierce a plank of thickness 16 cm?
Answer» A bullet travelling with a speed of 150 m/s is justable to pierce a plank 4 cm thick. What should bethe velocity of the bullet so that it is just able topierce a plank of thickness 16 cm?

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