[单选题]
The cutting cord on a g2 m wcu9f -uq4n-cb1olau:abbtnr .eqhe v f1/ko9kv76 0*2yk us-powered weed cutter is 0.16 m in length. If the motor rotates at thevfb2/b.6eq*9vkuu h te70okkr:ay n1 rate of 20 rev/s, what is the approximate linear speed of the end of the cord?
Post time 2024-1-22 02:51:16