Physics, asked by salavge1x, 9 months ago

An elevator weighing 15,000 newtons is raised one story in 50 seconds. If the distance between stories is 3.0 meters, how much power is required of the motor?
45,000 W
900 W
750,000 W
5,000 W

Answers

Answered by Thakshayini

3

Answer:

hi there!!

Explanation:

happy helping ❤️

refer to the picture....

Attachments:

Answered by Eagleami

2

Answer:

we know ,

Work Done is equivalent to Energy.

therefore, U ( potential energy ) = mgh

= W.H

= 15000× 3 = 45000 J

we know, power is the rate of doing work

P = 45000/ 50 = 900 J/S = 900 W. ( option 2 ) ANS......

Hope you Got It.....

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