- #1
krej
- 12
- 0
Homework Statement
A 240 g block on a 58.0 cm-long string swings in a circle on a horizontal, frictionless table at 85.0 rpm.
A. What is the speed of the block?
B. What is the tension in the string?
Homework Equations
Look at the link in #3.
The Attempt at a Solution
I'm not sure how to do this problem. Here is my work so far that shows what I've done: http://img200.imageshack.us/img200/9189/phys001.jpg
And it seems like no matter what I try to solve for, I need a theta to do anything. Is there a way to solve for theta that I'm not seeing? Or is there a way to solve the problem without needing theta?
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