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7 April, 01:24

Two asteroids are 1000 km apart and are heading straight for each other. One asteroid is travelling at 59 km per second and the other at 41 km per second. How long does it take for them to collide?

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  1. 7 April, 02:04
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    10 seconds.

    Step-by-step explanation:

    The velocity at which they are approaching each other = 59 + 41 = 1000 km per second.

    Velocity = distance / time

    So time = distance / velocity

    = 1000 / 100

    = 10 seconds.
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