The average force that stops the bullet if the officer fires a
Answer to Problem 47A
Explanation of Solution
Given:
The mass of the bullet,
Initial velocity of the bullet,
Since, the bullet stops, thus final velocity of the bullet,
Time taken,
Formula used:
Momentum of an object of mass m and moving with velocity v is given by,
Impulse on an object is equal to the change in momentum of an object,
where
Calculation:
Using all the given values in the formula mentioned, the average force on the bullet will be,
Negative sign denotes that this force acts in opposite direction of the motion.
Conclusion:
Thus, the magnitude of the average force applied on the bullet is
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