A group of students observes that a wooden block (m = 0.40 kg) on the end of a string with a radius of 0.7 meters makes 9 rotations in 20.7 seconds when twirled.

2 answers

Nice. Is there a question here?
Yes Sorry here are the questions

a)What is the block's tangential (linear) speed?

b)What is the block's angular speed?