In a laboratory experiment, a trolley is made to travel at a constant speed along circular tracks of different radii. The time period T for one revolution is measured for each radius r.
a. (i) Show that a plot of T versus r is a straight line when the speed is kept constant.
b. (ii) If the observed slope of the straight line is 0.24sm−1, determine the speed of the trolley.
c. (iii) Using the same slope, predict the time period when the trolley moves on a track of radius 2.5m.