- #1
grouchy
- 73
- 0
Homework Statement
a amusement park ride consists of a rotating circular platform 11.8 m in diameter from which 10 kg seats are suspended at the end of 1.18 m massless chains. When the system rotates, the chains make an angle of 38.1 degrees with the vertical. The acceleration of gravity is 9.8 m/s^2.
What is the speed of each seat? Answer in units of m/s.
http://geocities.com/grouchy187/figure.bmp
Homework Equations
F = ma ; F = mv^2/r ?
The Attempt at a Solution
i tried to make a free-body diagram to find F and then I plugged it into the above equation and got 7.57582 m/s but that was wrong...