The second hand of a wristwatch is 0.5 cm long.
a. What is the speed, in meters per hour, of the tip of the second hand?
b. How long would the minute hand of the same watch have to be for its tip to have the same speed as the second hand?
c. How long would the hour hand of the same watch have to be for its tip to have the same speed as the second hand?
d. What is the angular speed, in radians per hour, of the three hands in 16a-c?
e. Make an observation about the speeds you found.