1. The problem statement, all variables and given/known data A watch has a second hand 2.0cm long. a) compute the speed of the tip of the second hand. b) What is the velocity of the tip of the second hand at 0.0s and 15s 2. Relevant equations No Idea... 3. The attempt at a solution I drew a clock...but I don't even know where to start, any tips would be great.