- #1

titansarus

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## Homework Statement

The Actual Question is that:

A car is moving on a circular hill with radius R. what is the maximum speed it can have at the apex of the hill such that it doesn't jump of from the hill. I know the solution but I want to know how will be the equations if the velocity is greater than that.

## The Attempt at a Solution

[/B]

##mg - N = m v^2 /r## the maximum is at ##N=0## so ##v = \sqrt{rg}##.

I want to know what will happen to the equation if v gets higher than that? Why the car will take off from the ground? what will be the acceleration of it when it gets off from the ground?

Sorry for my English.