[填空题]
On an ice rink, two skaters of equal mass0v jt)5h, spuac)49i*oy hqf h grab hacc)n b-y:;rgands and spin in a mutual circle once every 2.5 s. If we assume their arms are ea:r ;an)y gccb-ch 0.80 m long and their individual masses are 60.0 kg, how hard are they pulling on one another? $\times 10^2$
