a bullet of mass 50gm is moving with the velocity of 720km/hr . calculate the kinetic energy of the bullet
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Answer:
5J
Explanation:
Mass of bullet= 50/1000kg = 0.05kg
Velocity= 720 km/hr= 200 m/s
Kinetic energy= 1/2×mass×velocity
= 5/100×1/2×200
= 5J
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K=1/2 mv2
K = 1/2 * 50*1000*720*720
therefore we get, K= 12960 J
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