Решение задачи по физике раздел 21 пункт 79 механика

79. The cargo weighing 700 kg falling from a height of 5 m for driving the pile weight of 300 kg. Find the average power of resistance of soil, if the result of a single blow pile enters the soil to a depth of 4 cm. The blow between the load and the pile considered absolutely inelastic.

Detailed solution. Decorated in Microsoft Word 2003. (Target decided to use formula editor)