[填空题]
A merry-go-round has a mass of 1640 kg and a radi-4167fm.. ;d vqg jjquz8 a pns/twrpuus of 7.5deh ql+lsk; hwq3qc1 vs nzgb0395 3o80 m. How much net work is requiredqnq8keb+9qscl d0;35 gl 1shh3o3wvz to accelerate it from rest to a rotation rate of 1.00 revolution per 8.00 s? Assume it is a solid cylinder. J
Post time 2025-2-18 20:00:22
