2
A tether ball tied to a pole by a rope swings in a circular path with a centripetal
acceleration of 2.7 m/s2. If the ball has a tangential speed of 2.0 m/s, what is the
diameter of the circular path in which it travels?
A 0.74 m
B 1.5 m
C 3.0 m
D 3.6 m

Do students need summer development? for 108 randomly selected college applicants, the following frequency distribution for entrance exam scores was obtained. construct a histogram, frequency polygon, and ogive for the data. (the data for this exercise will be used for exercise 13 in this section.)