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Asked by
melissa
a 3.0-g bullet traveling at 350-m/s hits a tree and slows down ununiformly to a stop while penetrating a distance of 12-cm into the trees trunk. what was the force exerted on the bullet to bring it to a rest?
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Answered by
drwls
Force x (penetration distance) = inital kinetic energy = (1/2) M V^2.
Convert m to kg and the penetration distance to meters before doing the calculation, to get the force in Newtons.
Answered by
eb
183.75J
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