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Physics 22 - The 5 center vot on the end of the rod tial...

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Unformatted text preview: The 5 center vot on the end of the rod tial energy of the rod' tionless pi onal poten ‘c itati the grav ing about a rming y rotat bod transfo i 12 t0 rotate, mg is a i 0, col inate system at the in rod y, th 1c energy The long, kinet' ion . Model tational torque on the rod causes into rotat a1 alize' . 13.74 gravr of mass isu V i, ? a» at at? ‘5‘: l in l,» 5. lie! i, . . t w w. t t l we 2 t «that RAM 14:? . l . l . l i l t he nth Hr, . .. . , «a, i, "it n». m... . . . o. «WAR? flaw? no a 5» evennémmwwtfis . awn/ism, 9&3?» tel no «nyxxxkxofiaf k. t . me w?“ «an waxinwmmwt. . distance 0 m and thus has zero gravitational potential energy. 1sa 3g/ L I the center of mass 1110]], al pos Us, is 0 J + mg(L/2) => a), '6 im =Ki+ +01: 2, 1 int. In the isaty Kf+Ugr p0 t pivo 1 mL2 3 3 gL . ion for the rod ll 2 (col )L = t ion equa the center of mass + mgyo ion, it 2 o 1la) 2 is tip of the rod of the coord In the final pos + "183’: 2 l gin in 11' orig (a) The energy conservat We placed the o %- L above the Solve: 1[co 2 (b) The speed at the , W More tintst we a l X. within him. kw . f t . C i ti : t t t it: t . . t t .S in. .5 v : any. , at t .sw. e 2» we? myth that a mate We the . chett am.“ w M s v , a t , x . \hmrfaatwm 1m 9% : at. fitmlvxelfinmwwé Vfip w» «it: ..eee no 4% : rs wetter thfimnx $2 tit “#er link? , at??? who . m . he he mach WWW». mew tath. war. \ knelt xx antitank» «2h ...
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