A 0.45 kg hammer is moving horizontally at 8.10 m/s when it strikes a nail and comes to rest after driving the nail 1.50 cm into a board. (a) What is the duration of the impact in seconds? Hint: Using kinematics, first find the acceleration assuming it is uniform. Then apply Newton's second law in terms of impulse. Number (b) What was the magnitude of the average force (in Newtons) exerted on the nail? Number

A 0.45 kg hammer is moving horizontally at 8.10 m/s when it strikes a nail and comes to rest after driving the nail 1.50 cm into a board. (a) What is the duration of the impact in seconds? Hint: Using kinematics, first find the acceleration assuming it is uniform. Then apply Newton's second law in terms of impulse. Number (b) What was the magnitude of the average force (in Newtons) exerted on the nail? Number

Physics for Scientists and Engineers: Foundations and Connections

1st Edition

ISBN:9781133939146

Author:Katz, Debora M.

Publisher:Katz, Debora M.

Chapter11: Collisions

Section: Chapter Questions

Problem 9PQ

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