Calculate the kinetic energy of a 55 kg schoolboy running at a speed of 8 m / s.
| June 21, 2021 | education
m = 55 kg.
V = 8 m / s.
Ek -?
The kinetic energy of the body Ek, which has a mass m and moves with a speed V, is determined by the formula: Ek = m * V ^ 2/2.
Ek = 55 kg * (8 m / s) ^ 2/2 = 1760 J.
Answer: the kinetic energy of a running student is Ek = 1760 J.
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