rmartinez1229 rmartinez1229

29-12-2017
Physics

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A roller coaster has a vertical loop with radius 15.8 m. with what minimum speed should the roller coaster car be moving at the top of the loop so that the passengers do not lose contact with the seats?

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carlosego carlosego

07-01-2018

The centripetal force will balance the gravitional:
m*g=m*v^2/R
v=sqrt(g*R)
Plug in the numbers
v=sqrt(9.81*15.8)
v= 12.45 m/s

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