4. Three charges are placed as shown. В С А +2 -2 +2 Charges A and C are held in place. Describe what charge B does. Give a reason for your answer. 5. Describe how it is possible for two waves to cancel each other out. 6. A 1200 W microwave oven is plugged into a 120 V outlet. a. Calculate the current required to operate the microwave oven. b. Calculate the resistance of the microwave oven. 7. Explain why concrete sidewalks can buckle in very hot weather. 8. The diagram shows a wave on a string. The string is vibrating at 250 Hz. AAA 0.6 m a. Calculate the wavelength of the wave. b. Calculate the wave speed. 9. Ralph puts a container of leftover spaghetti sauce into the refrigerator to cool off. 100,000 J of energy flow out of the sauce as it cools off. a. Explain why the work done during this process is zero. b. Calculate the change in internal energy of the spaghetti sauce. aluminum? dn 10. Why is it easier to heat up steel than it is to heat 11. How does the Doppler effect allow meteorologists to detect rotation in thunderstorms? 12. How is it possible for objects containing positive and negative charges to be neutral?

4. Three charges are placed as shown. В С А +2 -2 +2 Charges A and C are held in place. Describe what charge B does. Give a reason for your answer. 5. Describe how it is possible for two waves to cancel each other out. 6. A 1200 W microwave oven is plugged into a 120 V outlet. a. Calculate the current required to operate the microwave oven. b. Calculate the resistance of the microwave oven. 7. Explain why concrete sidewalks can buckle in very hot weather. 8. The diagram shows a wave on a string. The string is vibrating at 250 Hz. AAA 0.6 m a. Calculate the wavelength of the wave. b. Calculate the wave speed. 9. Ralph puts a container of leftover spaghetti sauce into the refrigerator to cool off. 100,000 J of energy flow out of the sauce as it cools off. a. Explain why the work done during this process is zero. b. Calculate the change in internal energy of the spaghetti sauce. aluminum? dn 10. Why is it easier to heat up steel than it is to heat 11. How does the Doppler effect allow meteorologists to detect rotation in thunderstorms? 12. How is it possible for objects containing positive and negative charges to be neutral?

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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Problem 3.
Answer problem #9
9-) Solve b-) option with explain.Please make calculations right.
R-18.0 2 R 6.00 2 R 3.00 2 9.0 V 3.0 V 13
Answer b, c and d with units
If the magnitude of the vector product of two vectors a and b are are equal to ab, then what do we know about a and b? O a. they are in different directions b. They are parallel O . they are perpendicular O d. they are antiparallel
C and D parts
Please help with C and F
5:need help !
Select the correct statement(s)
So which one is the correct one.
N P. W