Answer to Question #150242 in Physics for Mila

Question #150242

How long does a 50 kW pump motor have to run to pump 500 cubic meters of water from a 180m deep mine.

Expert's answer

"mgh=Pt\\to\\rho Vgh=Pt\\to"

"t=\\rho Vgh\/P=1000\\cdot500\\cdot9.8\\cdot180\/50000=17640(s)=4.9(h)"

Learn more about our help with Assignments: Physics

Comments

Mila

11.12.20, 14:02

Thank u so so much!

Leave a comment

Related Questions

1. Two bodies of mass m1 and m2 are connected to the table through a roller with negligible mass. The
2. 5. The body with mass m2 = 10 kg slides on the horizontal table with coefficient of friction = 0.2.
3. The mass of the body is M = 5 kg, while the tensile force F = 50 N forms the angle a = 30 ° with th
4. The hail grains during the fall encounter the force of resistance in the air. Once the uniform moti
5. The wooden box is thrown with some initial speed in the horizontal plane and after crossing the twil
6. 6. The coefficient of friction of the slip between a body and the horizontal plane It is = 0,1. The
7. The body with mass m = 1.2kg is pulled with the horizontal force F = 20 N on a rough horizontal surf