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| PAGE: 44 | SET: Exercises | PROBLEM: 53 |
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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