Homework Help: physics

Posted by kyla on Friday, October 5, 2012 at 12:12pm.

how long will it take a 1750-watts motor to a lift a 285-kg piano to a sixth storey window 1.6 meters above

physics - Aljebeth D. Tura, Friday, October 5, 2012 at 12:55pm
P=F*d/t
p=1750 w
F=weight of the piano=9.81*285

solve for t! :D

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