What is the Kinetic Energy of a 200 kg object that is moving with a speed of 20 m/s?
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Explanation:
Mass =20 g or 0.2 kg , velocity =20 cm/s or 0.2 m/s
K.E=
2
mv
2
=
2
0.2×(0.2)
2
=0.004 J
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