A bicycle wheel has an initial angular velocity of 1.10 rad/s . Part A If its angular acceleration is constant and equal to 0.200 rad/s2 , what is its angular velocity at t = 2.50 s ? (Assume the acceleration and velocity have the same direction) Express your answer in radians per second. ω = nothing rads Request Answer Part B Through what angle has the wheel turned between t = 0 and t = 2.50 s ? Express your answer in radians. Δθ = nothing rad Request Answer Provide Feedback

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

one person pulls 90n one way and the other has 100n pulling the other way.

so the net force = 90 - 100 = -10n,

or the ans can be 10n if the picture shows -90n and 100n instead.