A 4.4 g bullet leaves the muzzle of a rifle with a speed of 304 m/s. What force (assumed constant) is exerted on the bullet while it is traveling down the 0.77 m long barrel of the rifle?

 F=264.045 N

Explanation:

Initial speed u = 0

Final speed v = 304 m/s

Distance covered S = 0.77 m

Mass of the bullet m = 4.4 g = 4.4 x 10⁻³ Kg

Acceleration of the bullet a

a=60010.38  m/s²

Force applied on the bullet F = ma

   F=4.4 x 10⁻³ x 60010.38 N

F=264.045 N

d is the answer i came up with

the answer is a)

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