1. Find the initial temperature of a 49.0-N cube of zinc, 16.0 cm on a side that...

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1. Find the initial temperature of a 49.0-N cube of zinc, 16.0 cm on a side that gives off 3.36 x 105 J of heat while cooling to 80.0°C.

2. A coolant lowers the temperature 13°C in a steel engine weighing 16,250 N and running at a temperature of 110°C. What is the heat reduction (in joules) in the steel engine?

3. A block of iron with mass 0.400 kg is heated to 325°C from 295°C. How much heat is absorbed by the iron?

4. A block of copper is heated from 20.0°C to 80.0°C. How much heat is absorbed by the copper if its mass is 60.0 g?

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Applied Physics

ISBN: 978-0132109277

10th Edition

Authors: Dale ewen, Neill schurter, P. erik gundersen

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Question Posted: May 17, 2013 09:28 AM

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1. Find the initial temperature of a 49.0-N cube of zinc, 16.0 cm on a side that...

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1 Q cwT 336 x 10 5 J 390 J kg C 500 kg T 1 800...View the full answer

Applied Physics

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