
Concept explainers
(a)
Acceleration of the bullet.
(a)

Answer to Problem 95P
Acceleration is
Explanation of Solution
Then using the equation of motion
Here
The final velocity is zero. Then rewrite (I) in terms of
Conclusion:
Substitute
Acceleration is
(b)
Time taken by the bullet to come to rest.
(b)

Answer to Problem 95P
The time is
Explanation of Solution
Write the equation of motion
Substitute zero for final velocity and rearrange (III) in terms of
Conclusion:
Substitute
The time is
(c)
Force exerted by the wood on the bullet
(c)

Answer to Problem 95P
Force exerted by the wood on the bullet is
Explanation of Solution
The only horizontal force acting on the bullet as it decelerated was a
The net force is given by
Here
Conclusion:
Substitute
Force exerted by the wood on the bullet is
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Chapter 3 Solutions
College Physics, Volume 1
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