If we measure the distance in kilometres add the time in hours the unit of speed is written as
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Explanation:
When a distance in kilometres (km) is divided by a time in hours (h), the result is in kilometres per hour (km/h). Using this equation for an average speed of 80 kilometres per hour on a 4-hour trip, the distance covered is found to be 320 kilometres.
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Explanation:
km/h because speed is the distance travelled per unit time
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