Figure 2.E6 shows the speed-time graph of a bus.
Speed (km/h)
10
20.
30
Time (minutes)
Fig. 2.E6
(a) In which period is the bus accelerating?
(b) In which period is the bus decelerating?
(c) What is the distance covered during its
acceleration?
(d) What is the distance covered during its
deceleration?
(e) What is the average speed in the entire
journey??