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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6.ab
Transcribed Image Text: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?
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