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27 April, 13:48

The velocity field of a flow is given by V = 3x2ti+[4y (t-1) + 3x2t] j m/s, where x and y are in meters and t is in seconds. For fluid particles on the x axis, determine the speed and direction of flow.

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  1. 27 April, 14:34
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    Explanation:

    Given that,

    Electric field E=135V/m

    Energy stored in 1m³of air=?

    The energy stored in an electric field is given as

    u = ½ εo E²

    Where

    U is the energy stored

    εo is permissivity and it value is 8.85*10^-12C²/N ... m²

    And E is the electric field

    Then,

    U=½*8.85*10^-12*135²

    U=8.06*10^-8J/m³

    Then, the energy stored in 1m³ of air is 8.06*10^-8 J/m³
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