[填空题]
A merry-go-round has a masse0 *l:fvy inq9 of 1640 kg and a radius of 7.50 m. H-n;tyor o,uvcx /k60 i )a+dlnow much net work is required to accelerate it from rest to a rotation rate of 1.00 revolution per 8.00 s? Assume it is a solid cylio0anu;+y6d o l,/tcrkivn -)x nder. J