Uniformly accelerated motion and motion graphs Quiz
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5 questions, one answer each
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1. A car accelerates uniformly from 5.0 m s⁻¹ to 25 m s⁻¹ in 8.0 s. What distance does it cover?
- A. 80 m
- B. 120 m
- C. 160 m
- D. 200 m
2. What does the gradient of a displacement–time graph represent?
- A. Acceleration
- B. Velocity
- C. Distance travelled
- D. Change in momentum
3. A stone is dropped from rest and falls for 3.0 s. Taking g = 9.81 m s⁻², how far does it fall?
- A. 29 m
- B. 15 m
- C. 88 m
- D. 44 m
4. The area under an acceleration–time graph for a time interval gives which quantity?
- A. Displacement
- B. Velocity at the end
- C. Change in velocity
- D. Average acceleration
5. In the core practical, a graph of h (y-axis) against t² (x-axis) has gradient 4.90 m s⁻². What value of g does it give?
- A. 4.90 m s⁻²
- B. 19.6 m s⁻²
- C. 2.45 m s⁻²
- D. 9.80 m s⁻²