Homework Help: physics

Posted by sam on Wednesday, May 25, 2011 at 2:35pm.

a man weighing 500N runs up a staircase half a minute he rise up by 4m. a.what work did he do? b.what was his power?

physics - soni, Tuesday, June 14, 2011 at 4:12am
work 10,000 Nm
power 2500 Watt

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