Question

a 750 W motor drives a pump which lifts 300 litres of water per minute to a height of 6 metre. the efficiency of motor is nearly (take acceleration for to gravity to be 10m/s^2 A)30% B)40% C)50% D)20% please explain your answer​

Answer 1

Answer:

50%it' s c

Explanation:

you should subtracted 750 by 300 litres

Answer 2

Answer:

40%

Explanation:

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