Question

(a) For the rotating mass in the lab setup by what ratio will the velocity change if the period is quadrupled?

(b) For the rotating mass in the lab setup by what ratio will the velocity change if the period is decreased by a factor of four?

(d) For the rotating mass in the lab setup by what ratio will the velocity change if the radius is decreased by a factor of four?

Answer 1

a.) 1/4