A hammer of mass m = 0.45 kg is moving horizontally at a velocity of v = 5.5 m/s when it strikes a nail and comes to rest after driving the nail a distance Δx = 1.05 cm into a board. Part (a) What is the duration of the impact, assuming the acceleration is constant during this time period, in terms of the given variables? Part (b) What was the average force exerted on the nail, in terms of the mass, initial velocity, and distance traveled? Part (c) What was the average force, in newtons, exerted on the nail?

A hammer of mass m = 0.45 kg is moving horizontally at a velocity of v = 5.5 m/s when it strikes a nail and comes to rest after driving the nail a distance Δx = 1.05 cm into a board. Part (a) What is the duration of the impact, assuming the acceleration is constant during this time period, in terms of the given variables? Part (b) What was the average force exerted on the nail, in terms of the mass, initial velocity, and distance traveled? Part (c) What was the average force, in newtons, exerted on the nail?

Physics for Scientists and Engineers: Foundations and Connections

1st Edition

ISBN:9781133939146

Author:Katz, Debora M.

Publisher:Katz, Debora M.

Chapter10: Systems Of Particles And Conservation Of Momentum

Section: Chapter Questions

Problem 57PQ: To lift off from the Moon, a 9.50 105 kg rocket needs a thrust larger than the force of gravity. If...

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