A slug with a mass of m=18g is fired out of a gun that has a length L=0.92m. The bullet spends t=0.16s in the barrel. Required:
a. Wwrite an expression in terms of the given quantities, for the magnitude of the bullets acceleration, a, as it travels through the rifle's barrel. You may assume the acceleration is constant throughout the motion.
b. What is the numerical value of the net force Fnet in newtons acting on the bullet.