Chapter 13391P13.25ggMGra1222==+yy=−gyyy=+gggxx122cosθcos=+rarejgi22gx±org=+232MGrtoward the center of massFIG. P13.25Section 13.6Gravitational Potential EnergyP13.26(a)UGM mrE×⋅×+××−6 67 105 98 101006 37 2 0010477 10112469...N mkgkgkgmJejbgaf.(b), (c) Planet and satellite exert forces of equal magnitude on each other, directed downward onthe satellite and upward on the planet.FGM mrE××=−2112426 67 105 98 10100569N mkgkgkg8.37 10 mN6ejP13.27UGMmrandgGMREE=2so that ∆MmRRmgREEE−FHGIKJ=133∆U=×=×231 0009 806 37 104 17 10610kgm smJ2ejP13.28The height attained is not small compared to the radius of the Earth, so Umgy=does not apply;UGM Mrdoes. From launch to apogee at height h,KU EK Uiiff++= +∆mch:12002MvGM M
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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 .