answer a-c. i safari File Edit View History Bookmarks Window Help 46%)D Sat 9:14
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answer a-c.
i safari File Edit View History Bookmarks Window Help 46%)D Sat 9:14 PM usuO4az.theexpertta.com The Expert TA | Human-like Grading, Autornated! Physics question Chegg.com Class Management Help PHY-111 Topic 6 Homework Begin Date: 8/28/2017 12:00:00 AM Due Date: 11/26/2017 11:59:00 PM End Date: 11/29/2017 11:59:00 PM (4%) Problem 29: A block of ice (m = 14 kg) at a temperature of T1-0 degrees C is placed out in the sun until it melts, and the temperature of the resulting water rises to T2-15 degrees C. Recall that the specific heat of water is c = 4186 J/(kg-K), and its latent heat of fusion is Lf-334x10kg Assignment Status Click here for detailed view 33% Part (a) Input an expression for the amount of energy, En, needed to melt the ice into water? Grade Summary 0% 100% Problem Status 1Completed 2 Completed 3 Completed 4Completed 5 Completed 6 Completed 7 Completed 8 Completed Completed 10 Completed 1 Completed 12 Completed 13 Completed 14 Complcted 15 Completed 16 Completed 17 Complcted 18 Completed Attempts remaining: S % per attempt) detailed view Hint f give up! Hits: 0% deduction per hint. Hints remaining: 2 Feedback: 1% deduction per feedback. .là 33% Part (b) Input an expression for the total amount of energy, Etot, to melt the ice and then bring the water to T2. là 33% Part (c) What is this energy in joules? 10,317 25Explanation / Answer
here,
mass , m = 14 kg
a)
the amount of energy needed to melt the ice , Em = m * Lf
b)
the total energy required , Etot = m * ( Lf + c * ( Tf - Ti))
c)
the energy in joules , Etot = 14 * ( 334000 + 4186 * ( 15 - 0 ))
Etot = 5.56 * 10^6 J
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