1. The problem statement, all variables and given/known data The pendulum is swinging at an angle of 25.5 degrees (with respect to the vertical) The mass of the object is 14.6 kg Length of String is .5 m Find the velocity (v = ?) 2. Relevant equations Centripetal Acceleration (ac) = v^2/r Centripetal Force (Fc) = m*ac 3. The attempt at a solution I'm getting stuck at this problem after a certain point. I've found the radius of the circle using the right angle trig identities. R = .215 m I also know that the problem has to do with the sum of the forces of Fcp, Tension, and Force due to Gravity. The y-component of the forces should be 0, so Fg (force of gravity) minus y component of Tension equals 0. Therefore, I know that Fg = 143.08, and the y-component of Tension = 143.08. However, I'm having trouble figuring out what to do for the x-component of the forces, so that I can use it to find the velocity.