11/24/10 1 Physics 121 *Thanks to Scott Manski for suggesting this song!9.1 9.2 9.3 a 2% a>b>c>d 1% 12% b 1% b>a>c>d 8% 0% c 96% b>a>d>c 5% 0% d 1% c>d>a>b 0% 10% e 1% b>a=d>c 61% 0% f 0% c>a=d>b 0% 4% a=b>c=d 0% 5% a=c>b=d 0% 14% c=d>a=b 0% 25% 11/24/10 3 Physics 12111/24/10 4 Physics 12111/24/10 5 Physics 12111/24/10 6 Physics 12111/24/10 7 Physics 12111/24/10 8 Physics 12111/24/10 9 Physics 12111/24/10 10 Physics 12111/24/10 11 Physics 121 mgFrvmFamlcentripetanet===211/24/10 12 Physics 121 ()()229832323920.38 10 m2 3.8 10 m2hr s28 days 24 3600 day hrm0.99 10sm0.99 10ms2.58 100.38 10 m s 3800mv vmg grrrrvTvvgr=== === == = 11/24/10 13 Physics 121 3800 6111/24/10 14 Physics 121 M m R F m->M F M->m11/24/10 15 Physics 121 2RGmMFFmMMm==11/24/10 18 Physics 121 Wmg=WGmMR=2PEGmMR= 11/24/10 19 Physics 121 Inside the Earth mgh mg R Re= ()GmMR11/24/10 20 Physics 12111/24/10 21 Physics 121 The measured (radial) velocity of a star 15 ly from earth.11/24/10 22 Physics 12111/24/10 23 Physics 12111/24/10 24 Physics
View Full Document