A-roller-coaster-has-a-vertical-loop-with-radius-of-15m -

To find the minimum speed required for a roller coaster to successfully complete a vertical loop with a radius of

The minimum speed required for the roller coaster to stay on the track at the top of a radius loop is . a-roller-coaster-has-a-vertical-loop-with-radius-of-15m

) and the normal force from the track. For the "minimum" speed (the point where the car just stays on the track), the normal force is zero. We use: ≈is approximately equal to 2. Set up the equation To find the minimum speed required for a