Gas station without pumps

2012 November 16

Chapter 18 homework

Filed under: home school,magnetometer — gasstationwithoutpumps @ 20:53
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My son and I have both finished reading Chapter 18 of Matter and Interactions, so it is time to assign homework for us.  I’ll also need to spend some time this weekend setting up the magnetometer again, so that we can do experiments on Tuesday.  The experiments at the end of Chapter 18 seem awfully childish—most more suited to a fifth-grade classroom than to a calculus-based physics class. Using the deflection of a compass to get comparative strengths of a magnetic field and the Earth’s magnetic field is cute, but the huge size of a compass big enough to read the angle (at least 1cm) makes for very rough estimates of the field, unless it is nearly constant.  I hope that we can do something a little more fine grained and quantitative by using the magnetometer.

Problems: 18P38, 18P41, 18P56, 18P57, 18P59, 18P61, 18P64, 18P67, 18P75, 18P77

Computational problem: 18P79

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