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Автор - vika194346

На скільки зменшився імпульс тіла, якщо швидкість зменшилась з 50м/с до 36км/год. Маса тіла 500г.

Ответ

Автор - ДаниКК5

P=MV

36км/год = 10м/c

P1 = 0.5*50= 25 кг*м/c

P2 = 0.5*10=5 кг*м/c

P=25 - 5 = 20 кг*м/c

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