|Feb28-08, 03:13 PM||#1|
Problem 7.46: Riding a Loop-the-loop
1. The problem statement, all variables and given/known data
A car in an amusement park ride rolls without friction around the track shown in the figure . It starts from rest at point at a height above the bottom of the loop. Treat the car as a particle.
What is the minimum value of (in terms of ) such that the car moves around the loop without falling off at the top (point )?
If the car starts at height 4.00 and the radius is = 25.0 , compute the speed of the passengers when the car is at point , which is at the end of a horizontal diameter.
2. Relevant equations
mgh = 1/2 mv^2
3. The attempt at a solution
we know that h = 2 R because it's the diameter but other than that i am lost
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