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An elevator has mass of 600 kg, not incl...

An elevator has mass of 600 kg, not including passengers The elevator is designed to ascend at constant speed a vertical distance of 20 m in 15 sec. It is driven by a motor that can provide up to 30 hp to the elevator, what is the maximum number of passengers that can ride in the elevator ? Assume that an average passenger has a mass of 65 kg

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