Use the formula
Speed = Distance
to answer these questions.
Time
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1. A runner covers a distance of 120 metres in a time of 80 seconds. What is the runner’s speed ?
2. A car travels 2.35 km in a time of 1.4 minutes. What is the car’s speed in m/s ?
3. A snail covers 6.8cm in 4 minutes. What is the snail’s speed in km/h ?
4. How many minutes would it take a ship travelling at 16 m/s to cross the English Channel at its narrowest point (21 miles) ?
Data : 1 km = 5/8 mile
5. A car is initially travelling at 20 m/s. In a time of 10 seconds it reaches a new speed of 50 m/s.
How far would the car have travelled in this 10 second period ?