Let 
, 
, and 
denote the angular displacement, velocity, and acceleration of the wheel, respectively.
(A) The wheel has angular velocity at time 
according to
so that after 2.50 s, the wheel will have attained an angular velocity of
(B) The angular displacement of the wheel is given by
After 2.50 s, the wheel will have turned an angle 
equal to
Answer:
Net flux through the surface is zero.
Explanation:
Recall that the net electric flux through a closed surface depends on the net charge enclosed inside that surface.
In our case, there are two point charges of exactly opposite charge (net charge - zero), which are located inside the Gaussian surface of radius "2 a" centered at the origin - both charges are located at a distance "a" from the origin of coordinates, therefore inside the Gaussian surface.
Then the net flux through the surface is also ZERO.
Answer:
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