A boy weighing 40 kg jumped to a height of n = 0.5 m in 0.2 s, determine the power.

Initial data: m (boy’s weight) = 40 kg; h (boy’s jump height) = 0.5 m; t (jump duration) = 0.2 s.

Reference values: g (acceleration due to gravity) ≈ 10 m / s2.

The power that the boy developed is determined by the formula: N = A / t = Ep / t = m * g * h / t.

Let’s calculate: N = 40 * 10 * 0.5 / 0.2 = 1000 W (1 kW).

Answer: The boy was able to develop a power of 1 kW.