Asked by Anonymous

The speed of a bullet of Mass 20g is 216kmh-1 what is it's keep in joules
Answered by Anonymous
v = 216 km/h * 1000 m/km / 3600 s/h = 60 meters / second
m = 0.020 kg

Ke = (1/2)(0.020)(60)^2 Joules
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