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15 June, 10:23

A 8.40 g bullet has a speed of 1.33 km/s. (a) what is its kinetic energy in joules?

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  1. 15 June, 11:59
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    KE = Force (in Newtons) x distance (in meters)

    To convert mass and velocity into units of force and distance we need to use the standard kinetic energy equation kE = 1/2m x v^2

    = 0.00420kg * 1330^2m/s

    = 7429.38 j

    = 7430 j
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