A ski jumper starts from rest 47.5 m above the ground on a frictionless track and flies off the track at an angle of 45.0° above the horizontal and at a height of 18.0 m above the ground. Neglect air resistance. (a) What is her speed when she leaves the track?  m/s(b) What is the maximum altitude she attains after leaving the track? m(c) Where does she land relative to the end of the track? m

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