PROBLEM SET #1 Day 2 Homework Problems Due Tuesday 1. HELICOPTER FLYABOUT Jones-Childers/3ed Problem 2.1 (p.55) A helicopter leaves its base and travels 20.0 km north. After a brief stop, it flies 35.7 km south, pauses briefly and then flies 17.0 km
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9/25/08 4:17 PM
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Physys 202 Fall08
HW2
Due at 11:00pm on Wednesday, September 24, 2008
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Charge Distribution on a Conductor with a Cavity
Description: Concept
PROBLEM SET 29.1-3 Are Coulomb Forces Conservative? As you may recall from mechanics, some forces have a very special property, namely, that the work done on an object does not depend on the object's trajectory; rather, it depends only on the initial
CHAPTER
19 ELECTRIC POTENTIAL ENERGY
AND THE ELECTRIC POTENTIAL
CONCEPTUAL QUESTIONS
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1.
REASONING AND SOLUTION The work done in moving a charge q0 from A to B is given by Equation 19.4: WAB = q 0 (VA V B ) . For the cases in the drawing, we ha
sin =
x v ho h h 2 2 , cos = a , tan = o , h 2 = h0 + ha , v = , a= , v = v0 + at , h h ha t t 1 1 2 x = v0t + at 2 , x = (vo + v )t , v 2 = v0 + 2ax , Weight = mg , g=9.8 m/s2 , Fnet = ma , 2 2 2 Gm1m2 v 2r ac = , , G=6.67 x 10-11 N.m2/kg2 , f m