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

[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 (21.81 KiB) Viewed 34 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? 30 A