Cycling and motion
1. If a cyclist travels at an average speed of 15 km/h, how far can she go in 20 minutes?
A. 0.5 km
B. 5 km
C. 30 km
D. 300 km
2. A cyclist travels at 12 km/h for 5 km and then he turns around and cycles back 1 km. The
whole journey takes 30 minutes. What was the cyclist’s average speed?
A. 0.5 km/h
B. 2.5 km/h
C. 8 km/h
D. 12 km/h
3. A cyclist travels at a constant speed. This is the distance–time graph for her motion. What
is the cyclist’s speed?
A. 0.2 m/s
B. 1.2 m/s
C. 5 m/s
D. 7.2 m/s
4. A cyclist has a puncture and is pushing his bike. Another person observes how far away
the cyclist is. These results are plotted in the graph below. Which description best describes
the cyclist’s motion?
A. Decelerating
B. Accelerating
C. Moving away at a constant speed
D. Moving towards him with a constant speed
5. A cyclist rolls down a hill. He starts from rest and after 8 s he is traveling at 13.6 m/s.
What is his acceleration?
A. 1.7 m/s²
B. 5.6 m/s²
C. 21.6 m/s²
D. 108.8 m/s²
6. If you cycle 1200 m North and then 1600 m West, how far are you from your starting
point?
A. 400 m
B. 2,000 m
C. 2,600 m
D. 2,800 m