Can someone please help me solve this physics problem (I have a test tomorrow and this is review) ?
An elevator motor provides 45.0 kW of power while lifting a 2000-kg elevator 35.0 m. If the elevator contains six passengers of the same mass and it takes 20.0 s to accomplish this task, determine the mass of each passenger.
*Anonymous is right*
- billrussell42Lv 71 month agoFavorite Answer
45000 w x 20 s = 900000 J
E = mgh = 9e5 = m(9.8)(35)
m = 9e5/(9.8)(35) = 2597 kg
2597 – 2000 = 597 kg for the passengers
597 / 3 = 199 kg each
- Anonymous1 month ago
The favourite answer is wrong. Please pay attention to your working.