(a)[1]
Determine the time taken by student Q to cover 100 m.
(b)[1]
Determine the separation between the two students as Q reaches 100 m.
(c)[3]
Calculate the average speed of student Q in the 100 m race.
(d)[1]
State which student has the greater speed between 3.0 s and 6.0 s. Explain how Fig. 1.1 lets you compare speeds without doing a calculation.