shaji asked in Science & MathematicsPhysics · 8 months ago

Two cars are approaching each other on a road, traveling in opposite directions at speeds of 10km/h and 15km/h.?

At a certain moment, the cars are 25 km apart from each other. How much time elapses from that moment until the cars pass each other.

4 Answers

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  • 8 months ago

    The RELATIVE speed is 25 km/hr. ie whichever car you are in sees the other car approaching it at 25 km/hr.

    The distance between them is 25 km

    time = distance / speed = 25km/25 km/hr = 1 hr.

    The earth is not relevant to this problem.

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  • oubaas
    Lv 7
    8 months ago

    t = d/(V1+V2) = 25/(10+15) = 1.00 hours

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  • 8 months ago

    1 hour. The first car covers 10km and the second 15 km for a total of 25 km.

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  • Jim
    Lv 7
    8 months ago

    25 km (1 hour/25km) = 1 hour

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