InterviewSolution
Saved Bookmarks
| 1. |
14. The power of a motor pump is 2 kW. How much water per minute the pump can raise to aheight of 10m? (Given g ะŕš0 m s-2) |
|
Answer» Given, power of pump = 2kW =2000WTime (t)= 60secHeight (h) = 10mg = 10m/s²As you know, power =work done per unit time.Work done = mgh = m ×10×10 =100mTherefore, 2000W = 100m/60sTherefore, m = 1200kgSo, the pump can raise 1200kg of water in one minute. |
|