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September 20, 2014

September 20, 2014

Posted by **Connie** on Tuesday, November 6, 2007 at 4:14pm.

How fast must you lift a 3.60 kg container of milk if the power output of your arm is to be 21.3 W?

- Physics -
**Connie**, Tuesday, November 6, 2007 at 4:18pmi used the eqn P=W/T and i did some unit conversions to get the 299 calories into Joules but the answer is wrong...

- Physics -
**drwls**, Tuesday, November 6, 2007 at 4:42pmA candy bar has 299,000 (gram)-calories or 1.252*10^6 J.

Set 21.3 J/s * T = 1.252*10^6 J

and solve for the time T, in seconds

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