aFmgg===52013...N40kgms2(c) The accelerations of the sled and girl are in opposite directions. Assuming the girl starts at the origin and moves in the +xdirection, her coordinate is given by 212ggxat=.The sled starts at x0= 15 m and moves in the –xdirection. Its coordinate is given by 2102ssxxat=−. They meet when gsxx=, or22011.gsxThis occurs at time txaa=+20.By then, the girl has gone the distance ()20215 m 0.13 m/s12.6 m.20.13 m/s0.62 m/sgt==++33. (a) Since friction is negligible the force of the girl is the only horizontal force on the
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This note was uploaded on 05/17/2011 for the course PHY 2049 taught by Professor Any during the Spring '08 term at University of Florida.