A roller coaster car (mass = M) is on a track that forms a circular loop (radius = r) in the vertical plane. If the car is to just maintain contact with the track at the top of the loop, what is the minimum value for its speed at that point?
A) 2 Mrg
C) /
D) Mrg

Question

A roller coaster car (mass = M) is on a track that forms a circular loop (radius = r) in the vertical plane. If the car is to just maintain contact with the track at the top of the loop, what is the minimum value for its speed at that point?
A) 2 Mrg 
C) / 
D) Mrg

Quizplus · Accepted Answer

The Answer of A roller coaster car (mass = M) is on a track that forms a circular loop (radius = r) in the vertical plane. If the car is to just maintain contact with the track at the top of the loop, what is the minimum value for its speed at that point?
A) 2 Mrg 
C) / 
D) Mrg

A Roller Coaster Car (Mass = M) Is on a Track