Question

p ussible speed to avoid slipping.
41. Find the power used to pump 3000 kg of water per minute from a well 12m
deep to the surface. Supposing that the efficiency of the motor used to
pump water is 70%, calculate the power generated by the motor. (g=10m/s2​

Answer 1

Answer:

4200W

Explanation:

The potential energy stored in it =mgh=3000×12×10=360000J

The power =(energy/time) ×efficiency =(360000/60)×70/100

=4200W