Asked by busola
a bullet fired at a wooden block of thickness 0.15m manages to penetrate the block. if the mass of the bullet is 0.025kg and average resisting force of the wood is 7x 10^3 N , Calculate the sppeed of the bullet just before it hits the wood block
Answers
Answered by
bobpursley
wondering what the speed as it left was? If the leaving speed was zero, then
workbyfriction=initialKE
7E3*.15=1/2 .025*v^2
solve for v
workbyfriction=initialKE
7E3*.15=1/2 .025*v^2
solve for v
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