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A bullet moves with a velocity of 500 m/s and has a KE of 900 J Compute it's mass.
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A bullet moves with a velocity of 500 m/s and has a KE of 900 J Compute it's mass.

User Josh Heald
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1 Answer

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To determine the mass of the bullet, remember the equation for calculating kinetic energy is

KE = 1/2mv^2.

900 = 1/2m(500)^2

900 = 1/2 • 250 000 m

900 = 125 000m

m = 900/125 000 = 9/1250 = 0.0072 kg.

This would be the mass if the bullet.
User Dileep Kheni
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