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March 30, 2015

March 30, 2015

Posted by **physics** on Wednesday, March 11, 2009 at 6:41pm.

massmilk*cmilk*(Tf-10)+masscoffee(ccoffee)(Tf-90)=0

please show me in simple steps how to solve for Tf

thanks a lot

- physics -
**bobpursley**, Wednesday, March 11, 2009 at 7:22pmmassmilk*cmilk*(Tf-10)+masscoffee(ccoffee)(Tf-90)=0

divide thru by specific heat, it goes away.

10*(Tf-10)+160(Tf-90)=0

Tf(10+160)-100-160*90=0

Tf= (14400/170)

- physics -
**physics**, Wednesday, March 11, 2009 at 7:40pmso Tf is 84.70?

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