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2 September, 07:32

A cat is being chased by a dog. Both are running in a straight line at constant speeds. The cat has a head start of 3.8 m. The dog is running with a speed of 8.9 m/s and catches the cat after 6.0 s. How fast did the cat run?

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  1. 2 September, 07:49
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    In 6 secs, the dog covers-

    S=vt

    8.9*6 = 53.4 m.

    In the same time, the cat covers, 53.4-3.8 = 49.6 m.

    Thus, speed of the cat, v = s/t,

    = 49.6/6 = 8.267 m/s
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