# Different speeds (v=s/t)

## Quiz by Oak National Academy: GCSE Physics OCR Foundation

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6 questions
• Q1
Match the key words or phrases to their definitions.
30s
• Q2
Match the activity to the typical speed for that activity.
30s
• Q3
A skateboarder travels a distance of 400 m in 50 s. What is their average speed?
350 m/s
8 m/s
450 m/s
20 000 m/s
0.125 m/s
30s
• Q4
Sound waves travel at 330 m/s in air. A boy sees a firework explode in the distance. The sound arrives 6.0 s after the flash. How far away from the boy did the firework explode (to 2 s.f.)?
1.0 km
55 m
200 m
2.0 km
30s
• Q5
Two cars are traveling in opposite directions (towards each other). The first car is travelling at 30 km/h and the second is travelling at 70 km/h. What is the relative speed of the cars?
40 km/h
70 km/h
30 km/h
100 km/h
2100 km/h
30s
• Q6
During a race, cyclist A is traveling at 10 m/s and is 200 m behind cyclist B, who is travelling at 8 m/s in the same direction. How long will it take cyclist A to catch up with cyclist B?
250 s
20 s
25 s
100 s
160 s
30s

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