Задача 10142.

With the rock height h = 19,6 m horizontally threw a stone at a speed V = 36 km / h. Determine the kinetic and potential energy of the stone after a time t = 1.25 s. with the flight after the start of the movement. Stone Weight m = 0.1 kg. The air resistance can be disregarded.

Detailed solution shorthand terms, formulas and laws used in the decision, the withdrawal of the calculation formula and the response.