Homework Help: physics

Posted by Anonymous on Thursday, April 7, 2011 at 2:23pm.

An engine provides a 10kw of power to lift a heavy load at a constant velocity a distance 20m in 5s. what is the mass of the object being lifted?

physics - bobpursley, Thursday, April 7, 2011 at 2:40pm
10kw=m*9.8*20m/5s

solve for mass
physics - Anonymous, Thursday, April 7, 2011 at 2:47pm
150kg?
physics - bobpursley, Thursday, April 7, 2011 at 2:57pm
no, redo your calculator.
physics - Anonymous, Thursday, April 7, 2011 at 3:21pm
when i worked it out one way i got 250kg and when i worked it out the second way i got 200kg
physics - Anonymous, Sunday, February 5, 2012 at 5:05pm
so what is the right answer?

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