- #1
Liatana
- 5
- 0
I can't solve this problem, please help me.
How long will it take a 1780 W motor to lift a 252 kg piano to a sixth-story window 15.8 m above?
what do i have to do?
How long will it take a 1780 W motor to lift a 252 kg piano to a sixth-story window 15.8 m above?
what do i have to do?