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

, the car must maintain a speed where the centripetal force at the top of the loop is at least equal to the force of gravity. The minimum speed is approximately (or about 1. Identify physical constants

The centripetal acceleration must equal the acceleration due to gravity to keep the car from falling: a-roller-coaster-has-a-vertical-loop-with-radius-of-15m

The minimum speed required for the roller coaster to stay on the track at the top of a radius loop is . , the car must maintain a speed where