Ask your own question, for FREE!
Physics 15 Online
OpenStudy (anonymous):

An escalator is 60m long and lifts passengers through a vertical height of 30m. To drive the escalator against the forces of friction when there are no passengers requires a power of 2.0kW. The escalator is used by passengers of average mass 60kg and the power to overcome friction remains constant. How much power is required to drive the escalator when it is carrying 20 passengers and is travelling at 0.75ms–1? A 4.4kW B 6.4kW C 8.8kW D 10.8kW

Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!
Latest Questions
Arriyanalol: i need help
8 hours ago 7 Replies 1 Medal
Arriyanalol: CONGRATS to me
11 hours ago 8 Replies 2 Medals
Legomaster346: What colleges are good that are near Arab Alabama?
1 week ago 5 Replies 0 Medals
Arriyanalol: i need help
1 week ago 6 Replies 2 Medals
Arizona: does anyone know the percentage rate of 30,000 and 40,000
1 week ago 0 Replies 0 Medals
Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!