Ratio, rate, and speed (motion graphs)

Advanced Math 7 · Unit 6 · speed-motion-graphs

speed-motion-graphs

Name ______________________________Date ______________

1.
A train travels at a steady $80$ km/h for $2$ hours $15$ minutes. How far does it travel, in km?
Answer: ______________
2.
Sara drives $60$ km from home to a town at $30$ km/h and returns along the same road at $60$ km/h. What is her average speed for the whole round trip, in km/h?
Answer: ______________
3.
A speed–time graph for a tram: the speed rises in a straight line from $0$ to $20$ m/s during the first $10$ seconds, then stays at $20$ m/s for the next $30$ seconds. How far does the tram travel in these $40$ seconds, in metres?
Answer: ______________
4.
A bus goes from town A to town B at $40$ km/h and returns along the same road at $60$ km/h. What is its average speed for the whole journey?
1. (A)
  $48$ km/h
2. (B)
  $50$ km/h
3. (C)
  $52$ km/h
4. (D)
  $100$ km/h
5.
A walker leaves a village at 8:00 a.m. at a steady $4$ km/h. At 9:30 a.m. a cyclist leaves the same village along the same road at a steady $12$ km/h. At what time does the cyclist catch the walker?
1. (A)
  10:00 a.m.
2. (B)
  10:15 a.m.
3. (C)
  10:30 a.m.
4. (D)
  10:45 a.m.
5. (E)
  11:00 a.m.