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.