Предмет: Физика, автор: Ekaterina669

Помогите, пожалуйста

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Автор ответа: gubinanina

Потенциальная энергия в верхней точке будет равна кинетической в начале броска. По формуле Ek=(mv^2)/2, следовательно, 0,2*16/2=1,6Дж

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