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4. The power dissipated in a resistance R through which is flowing a current I is equal to 1²R. Therefore, the power in a 36502 resistor carrying a current of 0.5855A is (0.5855)²(365)W. Evaluate this power and write the answer using 3 significant digits.

4. The power dissipated in a resistance R through which is flowing a current I is equal to 1²R. Therefore, the power in a 36502 resistor carrying a current of 0.5855A is (0.5855)²(365)W. Evaluate this power and write the answer using 3 significant digits.

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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4. The power dissipated in a resistance R through which is flowing a current I is equal to 1²R. Therefore, the power in a 36502 resistor carrying a current of 0.5855A is (0.5855)² (365)W. Evaluate this power and write the answer using 3 significant digits. 5. The period T (time for one swing) of a simple pendulum 2.55ft long is : 2.55 T = 2π seconds. Evaluate T and round you answer to 3 significant digits. 32.0 6. Write the following quantities in scientific notation. Keep the number of significant digits same in both given number and in its scientific notation.. a) 0.0000552 b) 6790.00 7. Convert each number to standard notation. a) 1.75 x 10-5 b) 9.00 x 104 8. Evaluate the following expressions. a) ((3.8 -0.6) x 2) + (2.2 + 4.4) b) (((6.6+0.5) + 0.2)÷7.1)² 9. How long will it take a rocket travelling at a rate of 3.2 x 106m/h to travel the 3.8 x 108 m from the earth to the moon? Round your answer to the nearest hour. (Hint: Distance = Rate x time)
Transcribed Image Text:4. The power dissipated in a resistance R through which is flowing a current I is equal to 1²R. Therefore, the power in a 36502 resistor carrying a current of 0.5855A is (0.5855)² (365)W. Evaluate this power and write the answer using 3 significant digits. 5. The period T (time for one swing) of a simple pendulum 2.55ft long is : 2.55 T = 2π seconds. Evaluate T and round you answer to 3 significant digits. 32.0 6. Write the following quantities in scientific notation. Keep the number of significant digits same in both given number and in its scientific notation.. a) 0.0000552 b) 6790.00 7. Convert each number to standard notation. a) 1.75 x 10-5 b) 9.00 x 104 8. Evaluate the following expressions. a) ((3.8 -0.6) x 2) + (2.2 + 4.4) b) (((6.6+0.5) + 0.2)÷7.1)² 9. How long will it take a rocket travelling at a rate of 3.2 x 106m/h to travel the 3.8 x 108 m from the earth to the moon? Round your answer to the nearest hour. (Hint: Distance = Rate x time)
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