Answer:
The free end of the blade has a tangential velocity of about 88.19 m/s
Explanation:
The angular velocity of the blades is [tex]2 \pi /5.7\,\,rad/sec[/tex]
since the blades are 80 m long, then the tangential velocity of the free end of the blade is:
[tex]v_{tan} \approx 88.19\,\,m/s[/tex]
