Determine the stock of kinetic energy if a body weighing 20 kg moves at a speed of 2 m / s.
| September 8, 2021 | education
Initial data: m (mass of a given body) = 20 kg; V (speed of movement) = 2 m / s.
To determine the stock of kinetic energy of a given body, we apply the formula: Ek = m * V ^ 2/2.
Calculation: Ek = 20 * 2 ^ 2/2 = 40 J.
Answer: A given body has a kinetic energy reserve of 40 J.
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