12. Seesaw Problem Stan Dupp and his brother Ben 1X3
play on a seesaw. Stan sits at a point 8 ft from
the pivot. Ben, being heavier, sits just 5 ft from
the pivot. As Ben goes down and Stan goes up,
the seesaw rotates through an angle of 37° in
0.7 s.
0902
a. What are Ben's angular velocity in radians
per second and his linear velocity in feet per
second?
b. What are Stan's angular and linear veloc-
ities?