Ages 10–13🔬 Science13 verified questions on this shelf
Reading Distance-Time Graphs
Read and plot distance-time graphs for moving objects; interpret the gradient (steepness) of a line as speed; identify stationary periods (horizontal sections), constant speed (straight diagonal lines), and relative speeds by comparing gra…
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Question 1 of 3
A distance‑time graph for a car’s journey is described as follows:
- From time t = 0 s to t = 4 s, the distance increases linearly from 0 m to 20 m.
- From t = 4 s to t = 6 s, the distance remains constant at 20 m.
- From t = 6 s to t = 8 s, the distance decreases linearly back to 0 m.
What is the speed of the car during the first segment (0 s ≤ t ≤ 4 s)?
Question 2 of 3
A distance‑time graph for a toy car shows three distinct sections:
- From t = 0 s to t = 20 s, the distance increases linearly from 0 m to 100 m.
- From t = 20 s to t = 30 s, the distance remains constant at 100 m.
- From t = 30 s to t = 50 s, the distance increases linearly to 300 m.
What is the speed of the car during the first moving interval (0 s to 20 s)?
Question 3 of 3
A distance‑time graph for a scooter shows the following straight‑line segments: (i) from t = 0 s to t = 4 s the distance increases uniformly from 0 m to 20 m; (ii) from t = 4 s to t = 8 s the distance remains constant at 20 m; (iii) from t = 8 s to t = 12 s the distance decreases uniformly back to 0 m. What is the speed of the scooter during the first interval (0 s to 4 s)?
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