The barrel of a rifle has a length of 0.976 m. A

Question

bullet leaves the muzzle of a rifle with a speed
of 561 m/s.
What is the acceleration of the bullet while
in the barrel? A bullet in a rifle barrel does
not have constant acceleration, but constant
acceleration is to be assumed for this problem.
Answer in units of m/s
2

Answer 1

V^2 = Vo^2 + 2a*d
V = 561 m/s
Vo = 0
d = 0.976 m.
a = ?