Question

The speed of fast moving object expressed in _________
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Answer 1

Answer:

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Explanation:

The speeds of fast moving objects like cars, trains and aeroplanes are usually expressed in the unit of kilometres per hour. The very large speed values are expressed in the units of kilometres per second (km/s).

Answer 2

The speeds of fast moving objects like cars, trains and aeroplanes are usually expressed in the unit of kilometres per hour. The very large speed values are expressed in the units of kilometres per second (km/s).