Chapter 13401P13.51(a)avrc=2ac=××=125 10153 1010 26211...msm2ej(b)diffm s2=−==10 2 9 900 3122...GMrM=××⋅=×−0312667 10110 101121132..±ms±mNm kgkg222ejFIG. P13.51P13.52(a)The free-fall acceleration produced by the Earth isgGMrGM rEE==−22(directed downward)Its rate of change is dgdrGMrGM rEE=−=−−−33af.The minus sign indicates that gdecreases with increasing height.At the Earth’s surface, dgdrGMREE23.(b)For small differences,∆∆∆grghGMREE23Thus,∆gGM hREE=23(c)∆g=××−−2 6 67 105 98 106 00637 10185 1011224635...kgmm22ej*P13.53(a)Each bit of mass dmin the ring is at the same distance from the object at A. The separatecontributions −Gmdmrto the system energy add up to −GmMrring. When the object is at A,
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This note was uploaded on 12/14/2011 for the course PHY 203 taught by Professor Staff during the Fall '11 term at Indiana State University .