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## Homework Statement

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I am stuck with this question about a roller coaster going into the loop-the-loop situation.

So here is the question, friction between the coaster and the track is negligible.

Consider a loop the loop systems where the radius of the loop is R. A small block (of negligible size) is released from rest at the point P, which is at a height of (35)/8R.

So the question is the Kinetic Energy at B is given by...

point B is located at the right side of the circle or the loop. When I mean on the right side let us assume that the loop is a unit circle and point be is located at 0 degree.

I appriecate for your guys help.

## Homework Equations

I think it could be the PE=KE