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 
since the blades are 80 m long, then the tangential velocity of the free end of the blade is:

It only occurs when there is an electric current
Answer:
yes it flows through flow paths.
Explanation:
<span>The valence electrons occur in the outer shell of the atom. </span>
Weight in water = mass of block - mass of volume of displaced water