Предмет: Физика, автор: Приветикукуку

Тело из состояния покоя свободно падает на землю в течение 4 с. С какой высотой оно падает и какую скорость будет иметь в момент призимления?

Ответы

Автор ответа: Trover

0

Высота $h=frac{gt^2}2=9,8cdot16cdotfrac12=78,4$ м.
Скорость $upsilon=gt=9,8cdot4=39,2$ м/с.

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