An escalator is used to move 20 passengers every minute from the first floor of a department
store to the second. the second floor is located 5.20 meters above the first floor. the average
passenger's mass is 54.9 kg. determine the power requirement of the escalator in order to
move this number of passengers in this amount of time.

Which of the following best describes the central idea of the article? a the tuskegee airmen started the civil rights movement by proving that black pilots are more skilled than white pilots. b the tuskegee airmen proved that black and white pilots had the same potential, which break racial barriers. c despite breaking racial barriers, the tuskegee airmen faced racial discrimination and were never recognized for their military success. d black pilots in the military had to work twice as hard as white pilots, and due to a lack of funds they were underprepared.

Which description provides the best objective summary of the article in the passage?

The last part of the beowulf excerpt recounts how grendel flees into the darkness after suffering a fatal would from beowulf. what part of freytags pyramid best fits this section of the story