The momentum of the body is 10 kg * m / s, and the kinetic energy is 20J, which is equal to the speed of the body.
| December 9, 2020 | education
Given: p = 10 kg * m / s E = 20 J
Find V.
Solution: E = (m / 2) * V ^ 2 => E / p = (m / 2) * V ^ 2 / mV = V / 2 => V = 2 E / p = 2 * 20/10 = 4 m / s
Answer: The body speed is 4 m / s.
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