Can The Cat Get His Dinner?

A mouse starts running on a circular path of Radius = 28m with constant speed u = 4m/s. A cat starts from the center of the path to catch the mouse. The cat always remains on the radius connecting the center of the circle and the mouse and it maintains magnitude of its velocity a constant v = 4m/s. How long (in sec) is the chase?

Use \( \pi = \frac{22} {7} \).

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