posted by barotseland network .
In a single swing pendulum moves through an angle of 1.92 Radian.
(a). Determine the length of arc treated by the pendulum Bob.
(b). The area of the sector if the length of the pendulum is 13.2cm.
MONGU COLLEGE -
a. depends on the radius...arclength=angle*radius
b. area=angle* radius^2 /2