Real-Life Graphs Quiz
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5 questions, one answer each
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1. On a distance-time graph, what does a horizontal line represent?
- A. Constant speed
- B. The object is stationary
- C. Acceleration
- D. The object is decelerating
2. What quantity does the gradient of a speed-time graph represent?
- A. Distance
- B. Speed
- C. Acceleration
- D. Time
3. A car travels 90 km in 2 hours at constant speed. What is its speed?
- A. 30 km/h
- B. 45 km/h
- C. 90 km/h
- D. 180 km/h
4. A speed-time graph shows a straight line from 0 m/s to 12 m/s over 4 seconds, then constant speed at 12 m/s for 6 seconds. What total distance is travelled?
- A. 48 m
- B. 72 m
- C. 96 m
- D. 120 m
5. A cyclist decelerates uniformly from 15 m/s to 5 m/s in 4 seconds. What is the acceleration?
- A. 2.5 m/s²
- B. -2.5 m/s²
- C. 5 m/s²
- D. -5 m/s²