- #1
missileblitz
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Homework Statement
A pendulum consists of a mass on a 50 cm long string. It is being held stationary at a 30°angle with the vertical. After release, how fast will it be going at the bottom? (Hint: Use trigonometry to find how high the ball is initally)
Homework Equations
Ek = 1/2mv^2 for sure to find the velocity
Eg = mgh
The Attempt at a Solution
I'm basically brain-dead on this question, I don't know where to start.