Grade 9 math · D.2 · Science Calculations: Density and Speed
Speed calculations
Speed = distance ÷ time.
See worked examples
A cart travels 60 m in 6 s at a steady speed. What is its speed in m/s?
Answer: 10 m/s
A cart travels 84 m in 3 s at a steady speed. What is its speed in m/s?
Answer: 28 m/s
A cart travels 80 m in 4 s at a steady speed. What is its speed in m/s?
Answer: 20 m/s
Tip: Speed = distance ÷ time.
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