[填空题]
How fast (in rpm) must a cpwipfu 50++jw 0kj*zuj 9.dcl.l 8ghlentrifuge rotate if a particlwj0aa4( og8u5jhg;d5 f9s xnnv: dsa4e 7.0 cm from the axis of rotation s gv5a0f(;huw4 ndsd :a95 8ao4jgxjn is to experience an acceleration of 100,000 $g’s$? $rpm$