A 15 kg bullet leaves the 30 cm long barrel of a gun at a speed of 240 m/s.

a. find the exit velocity of the bullet.

b. find the average force exerted on the bullet by the expanding gases as the bullet moves through the length of the 30 cm barrel

Question

Yasmin Russo

5 December, 11:00

+5

Answers (1)

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Rhianna · Answer 1

A. 30cm = 0.3m

v²=u²+2as

v²=2 x 240 x 0.3

v=√ 144

v=12m/s

F=ma

F=15x240

F=3600N

A 15 kg bullet leaves the 30 cm long barrel of a gun at a speed of 240 m/s.a. find the exit velocity of the bullet.b. find the average force exerted on the bullet by the expanding gases as the bullet moves through the length of the 30 cm barrel