Best Answer

Its speed is 120 kilometers per hour.

Q: A car moves 90 km in 45 minutes What was the average speed in kilometers per hour?

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30 km/h

540 kilometres per hour.

30 k/h

its 0.2 km/min. the formula for speed is S=D/T-S: speed-D: distance-T: time

The speed is the distance traveled divided by the time it takes to travel that distance. In this case we with divide 8 kilometers by 10 minutes to get 0.8 km/minute. One hour is sixty minutes, so this works out to 48 km/hour.

Related questions

The average speed of boat in kilometers is per hour is 20 km /hr.

30 km/h

45 minutes in ¾ of an hour, so just divide 15 kilometers by ¾ hours and get 20 kilometers per hour.

8 kph

6 kilometers per hour

60 kph

8 kilometers per hour

3km/12min = 0.25km/min

14.4 km per hours

20km/h

4 kilometers

The average speed was 24km/h