A 0.650 kg hammer is moving horizontally at 8.50 m/s when it strikes a nail and comes to rest after driving it 1.00 cm into a board. (a) Calculate the duration of the impact in seconds. (Enter a number.) (b) What was the average force in newtons exerted downward on the nail? (Enter a number.) N

Classical Dynamics of Particles and Systems
5th Edition
ISBN:9780534408961
Author:Stephen T. Thornton, Jerry B. Marion
Publisher:Stephen T. Thornton, Jerry B. Marion
Chapter9: Dynamics Of A System Of Particles
Section: Chapter Questions
Problem 9.42P
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A 0.650 kg hammer is moving horizontally at 8.50 m/s when it strikes a nail and comes to rest after driving it 1.00 cm into a board.
(a) Calculate the duration of the impact in seconds. (Enter a number.)
(b) What was the average force in newtons exerted downward on the nail? (Enter a number.)
Transcribed Image Text:A 0.650 kg hammer is moving horizontally at 8.50 m/s when it strikes a nail and comes to rest after driving it 1.00 cm into a board. (a) Calculate the duration of the impact in seconds. (Enter a number.) (b) What was the average force in newtons exerted downward on the nail? (Enter a number.)
Expert Solution
Step 1 Given

Weight of the hammer , m = 0.650 kg

Horizontal velocity , v = 8.50 m/s 

x = 1.00 cm= 0.01 m

To find = a) Duration of Impact 

               b) Average force exerted on the nail .

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