Posted by Ted on .
A 19 g bullet is accelerated in a riﬂe barrel
70.6 cm long to a speed of 506 m/s.
Use the workenergy theorem to ﬁnd the
average force exerted on the bullet while it is
being accelerated.
Answer in units of N

Physics 
bobpursley,
force*distance=1/2 m vf^2