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Physics, 02.12.2019 21:56

Um corpo foi jogado para baixo, na vertical, do alto de um helicóptero que está a 15 metros de altura em relação ao solo. considerando a aceleração da gravidade de 10 m/s², desprezando a resistência do ar e sabendo-se que ele atinge o solo a uma velocidade de 20 metros por segundo. a velocidade inicial em que o corpo foi jogado, em m/s, é de:

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Um corpo foi jogado para baixo, na vertical, do alto de um helicóptero que está a 15 metros de altur...
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