A wheel with radius 0.33m and rotational inertia 2.0kgm2 spins on an axle with an initial angular speed of 3.0 rad/s .Friction in the axle exerts a torque on the wheel, causing the wheel to stop after 6.0s .The average torque exerted on the wheel as it slows down has magnitude
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Ответ:
Correct answers are B and C.
Explanation:
The line segment which exhibits a positive uniform accelaration if and only if
for 
. According to this statement, the line segments B and C exhibits positive uniform accelerations, whereas line segments A and D have a constant velocity and line segments E exhibits a negative uniform acceleration.
Hence, correct answers are B and C.