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| PAGE: 165 | SET: Exercises | PROBLEM: 26 |
If 
(in radians) is a central angle in a circle with radius 
, then the length of the arc cut off by is 
.
The angular velocity formula : 
, where is central angle measured in radians and 
is time.
Find the distance traveled by the point in 5 seconds.
Consider .
Substitute the values of 
rad/sec and time 
sec in above formula.
rad.
Consider 
.
Substitute the values of 
rad and 
inches in above formula.
Thus, the distance traveled by the point in 5 seconds is 40 inches.
The distance traveled by the point in 5 seconds is 40 inches.
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