Posted by Cara on Wednesday, April 6, 2011 at 6:18pm.
How long will it take a 480 N motor to lift a 335 kg piano to a sixthstory window 15.0 m above?

Physics?  Ms. Sue, Wednesday, April 6, 2011 at 6:23pm
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physics  drwls, Wednesday, April 6, 2011 at 6:34pm
480 N is not a power specification. It is a force specification. Newtons (N) measure force.
You need a specification of motor power (such as horsepower or Watts) to answer this question. Any motor can provide an arbitrary force by using levers or hydraulic pistons for mechanical advantage.

Grand Canyon University  Cecilia, Saturday, October 27, 2012 at 8:29pm
Show that 480 W of power is expended by a weightlifter when lifting a 60kg barbell a vertical distance of 1.2 m in a time interval of 1.5 s.

Salisbury University  Erma, Wednesday, June 8, 2016 at 11:40am
5m
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