- #1

Michele Nunes

- 42

- 2

## Homework Statement

A toy car coasts along the curved track shown. The car has initial speed V

_{A}when it is at point A at the top of the track, and the car leaves the track at point B with speed V

_{B}at an angle θ above the horizontal. Assume that energy loss due to friction is negligible.

Determine the speed of the car when it is at the highest point in its trajectory after leaving the track, in terms of V

_{B}and θ. Briefly explain how you arrived at your answer.

## Homework Equations

## The Attempt at a Solution

Okay so conceptually I think I understand how to do the problem. At point A, all potential energy, at point B, almost all kinetic energy. Then when the car leaves point B, energy is lost due to the downward force of the car's weight, so I want to find the work done by the car's weight and then subtract that from the original amount of energy the car possessed and then go from there. But in terms of how this plays out in the actual equations, I have no idea. I'm not sure where to start in terms of the setting equations equal to each other and how exactly to set that up.