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Ivanshiyan321
@Ivanshiyan321
July 2023
1
4
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СРОЧНО ПОЖАЛУЙТСА У МЕНЯ ТЕСТ
Хлопчик масою 50 кг біжить мостом зі швидкістю 7,2 км/год. Знайдіть кінетичну енергію хлопчика.
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1Manka1
Дано:
m=50кг
v=7,2км/год=2м/с
Знайти:
Ек-?
Ек=mv²/2=50*2²/2=100Дж
1 votes
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Answers & Comments
m=50кг
v=7,2км/год=2м/с
Знайти:
Ек-?
Ек=mv²/2=50*2²/2=100Дж