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Physics Problem email this discussion to a friend?

myLot reputation of 86/100. lonely_f16 (1560)   ranked 170 out of 6,533 in student4 months ago

Calculate the energy in Kcal needed by a tennis player if he plays tennis for 2 hours?

I solved for it and got 756 Kcal.

Now my problem is, if the player generates twice the needed power and the extra power goes to heat, how much perspiration will evaporate? Lv=580 cal/g

 
 
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