Essential University Physics: Volume 1 (3rd Edition)

To find the length of a wire, given the angle (in rads) $L=r\theta$ We plug in the known values to obtain: $L=(8.4)(1.5)$ $L=12.6cm$
To find the length of a wire, given the angle (in rads) $L=r\theta$ We plug in the known values to obtain: $L=(8.4)(1.5)$ $L=12.6cm$