SOLUTION: A standard issue service pistol is the Beretta M9. It fires a 9 mm diameter round that has a mass of 8 gr. The standard muzzle velocity is 360 m/s. The barrel is 12.7 cm long. A.

Question 1093452: A standard issue service pistol is the Beretta M9. It fires a 9 mm diameter round that has a mass of 8 gr. The standard muzzle velocity is 360 m/s. The barrel is 12.7 cm long.
A. How long does the bullet take to travel through the barrel after it is fired?
B. What is the acceleration of the bullet while it is in the barrel?
C. What is the force (N) applied to produce this acceleration?
Answer by ikleyn(52781) (Show Source): You can put this solution on YOUR website!
.

A.  How long does the bullet take to travel through the barrel after it is fired?

    t =  seconds = calculate it on your own  // the barrel length divided by the average speed //



B.  What is the acceleration of the bullet while it is in the barrel?

    Acceleration  a =  m/s^2 = calculate it on your own.



C. What is the force (N) applied to produce this acceleration?

    The force is  F = m*a = 0.008*a "Newtons",  mass (in kilograms) multiplied by acceleration, which you will get from n.B).

Solved.

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Which Physics textbook do you use ?

May be, I'll able to recommend you a better one.

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