Asked by Arnab
A 50 g bullet travelling with an initial velocity of 400 m/s penetrates into a wall with an average force of 4*10^4 N.It goes out of the wall with a velocity of 50 m/s. What is the thickness of the wall
Answers
Answered by
Damon
Initial ke = (1/2)(.05)(400)^2
Final Ke = (1/2)(.05) (50)^2
so work done = (1/2)(.05)( 400^2-50^2)
= force * distane = 40,000 T
solve for T
Final Ke = (1/2)(.05) (50)^2
so work done = (1/2)(.05)( 400^2-50^2)
= force * distane = 40,000 T
solve for T
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