[填空题]
On an ice rink, two skaters of equal mass grab hands and spin in a mut1,dyc8 g (mf1vd 7vkatual cpc el)1 5hza3 xznhy63 y7hi-wircle once every 2.5 s. If we assume thwhahyex zy713-hz6 3cl5p)ni eir arms are each 0.80 m long and their individual masses are 60.0 kg, how hard are they pulling on one another? $\times 10^2$