9. In target practice, a thick board stops a bullet at apenetration depth of 5.80 cm. Use the conservation ofenergy method. (a) Find the average frictional force thatstops the bullet. (b) If the same bullet hits anotherthinner board of 2.90 cm thick and made by the samematerial (assuming the same average frictional force), what is the speedof the bullet as it emerges from the thinner board?m = 7.50 gv = 650 m/s

Given Mass of bullet, m = 7.50 g Initial speed ,V = 650 m/s Thickness 1, t1 = 5.80 cm Thickness…

Answered: 9. In target practice, a thick board…

College Physics

1st Edition

ISBN:9781938168000

Author:Paul Peter Urone, Roger Hinrichs

Publisher:Paul Peter Urone, Roger Hinrichs

Chapter8: Linear Momentum And Collisions

Section: Chapter Questions

Problem 18CQ: A Small pickup truck that has a caliper shell slowly coasts toward a red light with negligible...

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Some office workers use a sledgehammer to hit their broken computer and push it across an open field. If the computer has a mass of 5.2 kg and moves across the field with an initial velocity of 10.4 m/sec, how far will it travel before coming to a rest from friction (uopenfield = 0.45)?
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a baseball catcher puts on an exhibition by catching a 0.15 kg ball, dropped from a helicopter at a height of 100m above the catcher. If the catcher "gives" with the ball for 0.75 m (was originally 1m off the ground) while catching it, what is the average force exerted on the mitt by the ball?
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