Question Detail
Question
A grindstone rotates at constant angular acceleration α = 0.35 rad/s². At time t = 0, it has an angular velocity ω = 4.6 rad/s and angular position θ = 0. At what time after t = 0 is the reference line at θ = 5.0 rev?
Correct Answer
Option C is the correct answer.
Detailed Explanation
The time required to reach 5.0 revolutions is 32 s.
Hint
Convert revolutions to radians and use rotational kinematic equations.