Compound Measures (Speed, Density, Pressure) Quiz
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5 questions, one answer each
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1. A cyclist travels 45 km in 3 hours. What is their average speed?
- A. 10 km/h
- B. 15 km/h
- C. 20 km/h
- D. 45 km/h
2. A metal block has mass 360 g and volume 40 cm³. What is its density?
- A. 4 g/cm³
- B. 9 g/cm³
- C. 14 400 g/cm³
- D. 400 g/cm³
3. A car travels at 80 km/h for 2 hours 15 minutes. How far does it travel?
- A. 160 km
- B. 162 km
- C. 170 km
- D. 180 km
4. A force of 20 N acts on an area of 4 m². What is the pressure?
- A. 0.2 N/m²
- B. 5 N/m²
- C. 24 N/m²
- D. 80 N/m²
5. A town has a population of 45 000 and an area of 15 km². What is its population density?
- A. 300 people/km²
- B. 675 000 people/km²
- C. 3000 people/km²
- D. 30 people/km²