Question: The velocity in a certain two - dimensional flow field is given by the equation V = 5 xti - 8 yt where the velocity

The velocity in a certain two-dimensional flow field is given by the equation
V =5xti -8yt
where the velocity is in ft/s when x, y, and t are in feet and seconds, respectively. What is the magnitude of (a) the velocity and (b) the
acceleration at the point x = y =6 at the time t =0?

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