Test
Speed
The relationship between speed, time, and distance. Distance is equal to speed multiplied by time. Speed is equal to distance divided by time.
Time left: 00:00:00
Sample questions
- How long will it take for a car to travel ___ km if its speed is ___ km/h?
- The bicycle is moving at a speed of ___ m/s, what distance will it cover in one minute?
- Calculate the speed of the train if it covers ___ km in 30 minutes.
- A scooter travels at ___ m/s for ___ seconds. What distance does it travel?
- A car travels at ___ km/h for ___ hours. How many kilometres does it travel?
Speed, time and distance
Speed describes the distance travelled during one unit of time. The three quantities are connected by the formulas distance s = v × t, speed v = s ÷ t and time t = s ÷ v.
How should the formula be selected?
Read the question and identify the unknown quantity. If the question asks for distance, multiply speed by time. If it asks how long a journey takes or how fast an object moves, use division.
Units must be compatible before calculating. Half an hour is 0.5 h or 30 minutes, and one minute is 60 seconds. With km/h, time must be expressed in hours; with m/s, it must be expressed in seconds. Check the result logically: a greater speed over the same time must produce a greater distance.
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