Question

11
17 An escalator in an underground station has 25 people standing on it and is moving with a speed
of 43 ms. The average mass of a person is 78 kg and the angle of the escalator to the
honzontal is 40
What is the minimum power required to lift these people?
P=FV
A
5.4 kW
B
6.4 KW
C 53 kW
63 kW


​

Answer 1

vdkskjdj

j-)99)(Lao- a l अ a

Explanation:

'97"+0vjksjsjdkdkosio ABC

Answer 2

Answer:

C will be the answer

Explanation:

force= mgsin40

25×78×9.81×sin40 = 12296.2

now apply formula of power

power = F×V

12296.2×4.3 =52873.68

which will be approximately 53000 so 53kW will be the answer