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21. A motor on an escalator is capable of developing 12 kW of power. (a) How many passengers of mass 75 kg each can it l
Posted: Fri Jul 15, 2022 7:28 am
by answerhappygod
- 21 A Motor On An Escalator Is Capable Of Developing 12 Kw Of Power A How Many Passengers Of Mass 75 Kg Each Can It L 1 (18.74 KiB) Viewed 31 times
21. A motor on an escalator is capable of developing 12 kW of power. (a) How many passengers of mass 75 kg each can it lift a vertical distance of 9.0 m per min, assuming no power loss? (b) What power, in kW, motor is needed to move the same number of passengers at the same rate if 45% of the actual power developed by the motor is lost to friction and heat loss?