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22 June, 18:12

In a lake a remote controlled submarine moved norweast at a constant velocity. It moved 935 centimeters in 10.0 seconds. What was its velocity

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  1. 22 June, 18:40
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    Answer: 93.5 m/s

    Explanation:

    Velocity is the rate of change of displacement per unit time. It is measured in metres per second.

    i. e velocity = Displacement / Time taken

    In this case,

    Displacement = 935 centimeters north west

    (Convert centimeters to metres)

    Recall that 100cm = 1m

    935 cm = 935/100 = 9.35m

    Time taken = 10.0 seconds.

    So, velocity = Displacement / Time taken

    Velocity = 9.35 metres x 10.0 seconds

    Velocity = 93.5 m/s

    Thus, the velocity of the submarine moving north west is 93.5 m/s
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