01. Uma rampa plana, de 6√ m de comprimento, faz ângulo de 45° com o plano horizontal. Uma pessoa que
01. Uma rampa plana, de 6√ m de comprimento, faz ângulo de 45° com o plano horizontal. Uma pessoa que sobe a rampa inteira elevase verticalmente de:
A) 3√ m.
B) 3√ m.
C) 3√ m.
D) 6√ m.
E) 9√ m
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