James Madison HIGH SCHOOL 30. The picture above shows 3 sets of balloons, all wi

Question

James Madison HIGH SCHOOL 30. The picture above shows 3 sets of balloons, all with a particular charge. Which of the picturels) is true? Explain. Then explain why the other 2 pictures are incorrect. Make sure to explain all 3 sets. Use the following picture to answer Question 31: B) 31. The bars in the drawing above are magnets. According to Chapter 21, which of the following picture(s) is true? Explain. Then explain why the other 2 pictures are incorrect. Make sure to explain all 3 sets. 32. Based on how the book describes a heat pump in Sec 16.3, how does a heat pump prove the law of conservation of energy? Hint: think about a refrigerator. 33. A bird flies from the South Pole to the North Pole. Part of the journey is 1000 miles that takes 2 weeks. What is the bird's velocity in that time? Show work for credit and include final units. Copyright C 2015 by James Madison High School, Norcross GA

Explanation / Answer

magnetic field's direction is always from North to south outside the magnet and south to north inside the magnet and here only the first situation shows it. Whereas same thing like repels and unlike attracts in electrostatics is valid in magnets.

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