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28 February, 06:20

How long would it take to drive around earth's equator? (earth's circumference ≈ 40,000 km if driving at 143km?

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  1. 28 February, 06:37
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    The distance traveled is the circumference of the earth (around the equator). This distance is

    d = 40,000 km

    The average traveling speed is

    V = 143 km/h

    Note: Speed cannot have units of 143 km, as given in the question.

    Because distance = Speed * time, therefore

    time = distance/speed.

    The time taken to travel around the equator is

    time = (40,000 km) / (143 km/h)

    = 279.7 hours

    Answer: About 280 hours (nearest hour)
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