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6 November, 21:55

Nitroglycerin flows through a pipe of diameter 3.0 cm at 2.0 m/s. If the diameter narrows to 0.5 cm, what will the velocity be?

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  1. 7 November, 01:39
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    72 m/s

    Explanation:

    D1 = 3 cm, v1 = 2 m/s

    D2 = 0.5 cm,

    Let the velocity at narrow end be v2.

    By use of equation of continuity

    A1 v1 = A2 v2

    3.14 * 3 * 3 * 2 = 3.14 * 0.5 * 0.5 * v2

    v2 = 72 m/s
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