"1. think components. The mass makes no differnce here. all that matters is the tangential speed and the radius. Call the tension in the string "T" and ask yourself "what component of T provides centripetal force, and what component of T balances weight?""
The centripetal force is provided by...
1. A .25kg mass attached to a string of length 1m is spun in a horizontal circle. At what speed must it travel so that the angle the string makes with the horizontal is 30 degrees?
2. A block of mass m slides around a circular path in a conic surface with vertex angle 2theta. Determine the...