Question

calculate the power of a motor which is capable of raising 200kg of water in 5 minute from well of 120m deep​

Answer 1

Answer:

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Answer 2

Answer:

mass = 200kg

time = 5min or 300sec

height = 120m

g = 9.8m/s²

therefore, weight = mg

= 200 × 9.8

= 1960N

therefore, work done = 1960×120(weight×distance)

= 235200 J

therefore, power = work/time

= 235200/300

= 784 W

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