Circular ripple travels outward with a speed of cm/sec.
(a)
Consider time taken by the circular ripple to travel a distance is sec.
Speed-distance relation :
The distance traveled by the circular ripple is
.
(b)
Find .
Area of circle is .
( Since )
Area of circular ripple is sqcm.
(a) The distance traveled by the circular ripple is .
(b) Area of circular ripple as the function of time is sqcm.
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