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3. Water, specific heat capacity c = 4.186 joules/gram C, flows through an insulated plastic pipe at a flow rate of 16.0 grams/sec. The water enters the pipe at a temperature of 10 C and leaves at a temperature of 80 C. The water is heated by an electric heater in the middle of the pipe. What is the Power output of the electric heater? 4. The resistance of a resistor changes with temperature; the equation is given as: R=a T^2 + bT + C. The resistance was measured at three different temperatures. (20 C, 521 ohms), (60 C, 1329 ohms) , (100 C, 2925 ohms). What are the values of a, b, and c for this resistor? (hint: create three equations, solve for the unknowns aband c using simultaneous equations.

3. Water, specific heat capacity c = 4.186 joules/gram C, flows through an insulated plastic pipe at a flow rate of 16.0 grams/sec. The water enters the pipe at a temperature of 10 C and leaves at a temperature of 80 C. The water is heated by an electric heater in the middle of the pipe. What is the Power output of the electric heater? 4. The resistance of a resistor changes with temperature; the equation is given as: R=a T^2 + bT + C. The resistance was measured at three different temperatures. (20 C, 521 ohms), (60 C, 1329 ohms) , (100 C, 2925 ohms). What are the values of a, b, and c for this resistor? (hint: create three equations, solve for the unknowns aband c using simultaneous equations.

College Physics
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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3. Water, specific heat capacity c = 4.186 joules/gram C, flows through an insulated plastic pipe at a flow rate of 16.0 grams/sec. The water enters the pipe at a temperature of 10 C and leaves at a temperature of 80 C. The water is heated by an electric heater in the middle of the pipe. What is the Power output of the electric heater? 4. The resistance of a resistor changes with temperature; the equation is given as: R= a T^2 + bT+ C. The resistance was measured at three different temperatures. (20 C, 521 ohms), (60 C, 1329 ohms), (100 C, 2925 ohms). What are the values of a, b, and c for this resistor? ( hint: create three equations, solve for the unknowns ab.and c using simultaneous equations.
Transcribed Image Text:3. Water, specific heat capacity c = 4.186 joules/gram C, flows through an insulated plastic pipe at a flow rate of 16.0 grams/sec. The water enters the pipe at a temperature of 10 C and leaves at a temperature of 80 C. The water is heated by an electric heater in the middle of the pipe. What is the Power output of the electric heater? 4. The resistance of a resistor changes with temperature; the equation is given as: R= a T^2 + bT+ C. The resistance was measured at three different temperatures. (20 C, 521 ohms), (60 C, 1329 ohms), (100 C, 2925 ohms). What are the values of a, b, and c for this resistor? ( hint: create three equations, solve for the unknowns ab.and c using simultaneous equations.
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