Question: A ice track for kid is shown below. A sled of weight Ws with a kid weighs Wk is released from point A which

A ice track for kid is shown below. A sled of weight Ws with a kid weighs Wk is released from point A which

A ice track for kid is shown below. A sled of weight Ws with a kid weighs Wk is released from point A which is H feet high. The trajectory from A to B is frictionless. Once the sled crosses point B it slides on a rough surface with coefficient of friction u. The distance between point B and point C is L[feet]. The sled impacts wall with perfectly elastic collision and bounces back. Given: W, 200+ Ds% lbs W=75 D6% lbs L 30 D3% ft m=0.5 10.02 H= 100+ D4% ft h=40 D4% ft Wall B h A H a. Determine an expression for the distance, L, that the sled will bounce back from the wall (reach final speed of zero) What is the nominal value of this distance? b. c. Determine the error in calculating the distance L. due errors in the measurements.

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