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If an elevator goes up with a speed of 3m / s. when it is 30m...

If an elevator goes up with a speed of 3m / s. when it is 30m above ground level the cables break. Presiding over reasoning. a) Calculate the maximum height that the cabin reaches. b) If the safety brakes act automatically when the descent speed reaches the value of 5 m / s, determine the height at which the brakes act.

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