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An air gun fires a pellet with a mass of 0.0010 slugs. The slug is fired from the gun, and after which possesses of 720 lb ft of kinetic energy. Find its velocity, in ft/s.

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meerkat18

To find for the velocity, we use the Kinetic Energy formula:

KE = (1/2)m*v^2

Where

KE = Kinetic Energy, 720 lb ft

m = 0.0010 slugs

v = unknown

Rearranging the equation and solving for v:

v^2 = 2(KE)/m

v^2 = 2(720)/0.001 = 1,440,000

v = 1200 ft/s

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