At what minimum speed must a roller coaster be traveling when upside down at the top of a circle so that the passengers do not fall out? Assume a radius of curvature of 7.6m

Question

anonymous · Answer

I did a problem similar to this one in class this week(for a rollercoaster circling in a loop d loop at a radius of 32m and ended up getting a velocity of 18m/s but I'm unsure of exactly how I did it.

mos1635 · Answer

|dw:1333179540395:dw|
total force must equal M*V/R^2
SOLVE TO FIND N
N is the force from seat
$$N \ge0$$
Aplay that

anonymous · Answer

Yeah I just figured this one out myself the other day. Thanks for replying though