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KE = (1/2)mass * velocity squared

KE = 1/2(100 kg)(3 m/s)2

= 450 Joules

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12y ago
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13y ago

Use the formula KE = (1/2)mv2, that is, kinetic energy = 1/2 times mass times speed squared. The data is in SI units, therefore the answer will be in joules.

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15y ago

KE = ½mV² ½ x 100 x 3² = 450 J

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Q: What is the kinetic energy of a 100kg man running 3ms?
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