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Speed, distance and time – practice for Years 7–8

Sample questions on Speed, distance and time with the right answer and a worked solution, from easy to hard. In the Pickles Academy app a child gets new questions of the same kind every time, so they can't just learn the answers by heart.

Subject
Physics
Year
Years 7–8
Curriculum area
Motion and forces

Question types: Speed calculations

Rule: Speed, distance and time

speed = distance ÷ time (v = s ÷ t), so s = v × t and t = s ÷ v.

1 m/s = 3.6 km/h: from m/s to km/h multiply by 3.6, from km/h to m/s divide by 3.6.

Example: 400 m in 40 s: v = 400 ÷ 40 = 10 m/s = 36 km/h

Watch out: Match the units before you work it out: kilometres with hours, metres with seconds.

Sample questions

  1. Question 1 Easy

    A walker moves at 6 km/h for 3 h. How far does it travel?

    Show the solution
    Answer: 18 km

    How it works: s = v × t = 6 km/h × 3 h = 18 km.

  2. Question 2 Normal

    An object moves at 15 m/s for 8 s. How far does it travel?

    Show the solution
    Answer: 120 m

    How it works: s = v × t = 15 m/s × 8 s = 120 m.

  3. Question 3 Hard

    A walker travels 4 km in 40 minutes. What is its average speed in km/h?

    Show the solution
    Answer: 6 km/h

    How it works: 40 min = 0.667 h; v = s ÷ t = 4 km ÷ 0.667 h = 6 km/h.

Related topics

All Physics topics

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