erwinmarasiganp30fgb erwinmarasiganp30fgb

22-07-2018
Physics

contestada

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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mpanderla95 mpanderla95

22-07-2018

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.

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