- #1
nohkie
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Homework Statement
A roller coaster with radius of 19.6 and at the top of the roller coaster the veloctiy is 14 m/s and the apparent weight is 0. Calculate the veloctiy at the bottom of the roller coast?
Homework Equations
The Attempt at a Solution
I can see that Mv^2/r=mg at the top but i don't get how to solve for the veloctiy at the bottom of the equation of mv^2/r = Fn-mg. Am I looking in the right direction? I've done the force body diagram but the only way i can see to get out the velocity is with mass, am I missing an equation?