The speed (S) an object falls varies directly with time. If the speed is 49.0m/s after 5 seconds, then what is the speed after 3 seconds

Question

The speed (S) an object falls varies directly with time. If the speed is 49.0m/s after 5 seconds, then what is the speed after 3 seconds

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Hưng Khoa 6 months 2021-07-28T03:09:07+00:00 1 Answers 13 views 0

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  1. MichaelMet
    0
    2021-07-28T03:10:53+00:00
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    9514 1404 393

    Answer:

      29.4 m/s

    Step-by-step explanation:

    Speed is proportional to time, so we have …

      speed / time = s/3 = 49/5

      s = 3/5(49) = 29.4

    The speed of the object is 29.4 m/s after 3 seconds.

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