A car travels 190 km in 1 hour. What is its average speed?
The average speed is 190 km/h.
How to work it out
- 1
Write down what you know: distance d = 190 km, time t = 1 hour. You are asked for the speed v.
- 2
Use the formula speed = distance ÷ time:
- 3
Answer with the unit: 190 km/h.
- 4
The same formula rearranged: distance = speed × time (190 × 1 = 190 km) and time = distance ÷ speed (190 ÷ 190 = 1 hour).
LaTeX source of the formulas on this page
\[ v = \frac{d}{t} = \frac{190}{1} = 190\ \text{km/h} \]
\[ v = \frac{d}{t} = \frac{190}{1} = 190 \]How far at 190 km/h
| Time | Distance |
|---|---|
| 0.5 hours | 95 km |
| 1 hour | 190 km |
| 2 hours | 380 km |
| 3 hours | 570 km |
| 4 hours | 760 km |
| 5 hours | 950 km |
Questions
What is the speed if a car travels 190 km in 1 hour?
The average speed is 190 km/h.
How far does it go in 3 hours at that speed?
570 km.