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## Homework Statement

An acrobat on skis starts from rest 50.0 m above the ground on a frictionless track and flies off the track at a 45.0° angle above the horizontal and at a height of 10.0 m. Disregard air resistance.

a. What is the skier’s speed when leaving the

track?

b. What is the maximum height attained?

## Homework Equations

kinetic energy=1/2 mass*speed^2

potential energy

## The Attempt at a Solution

somehow find the kinetic energy of the two height and change it to potential and then with the 45 angle

really need to know how to do it for a quiz