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**1.) Homework Statement**

A(n) 2.71 m long pendulum is released from rest when the support string is at an angle of 35.8◦ with the vertical.

The acceleration of gravity is 9.8 m/s2 . What is the speed of the bob at the bottom of the swing?

Answer in units of m/s

**2.) Relevant equations**

Not sure

**3.) The attempt at a solution**

I tried to do 2.71sin(35.8) and I got 1.585. It's not the right answer. I also tried to do do cos(35.8) but that did not work either. Are there any other equations I have to use to find the speed of the bob?