The 12-kg disk has an angular velocity of = 20 rad/s. If the brake ABC is applied such that the magnitude of force P varies with time as shown, determine the time needed to stop th
The 12-kg disk has an angular velocity of = 20 rad/s. If the brake ABC is applied such that the magnitude of force P varies with time as shown, determine the time needed to stop the disk. The coefficient of friction at B is = 0.4.
[A].
t = 13.00 s
[B].
t = 7.00 s
[C].
t = 8.92 s
[D].
t = 5.08 s
Answer: Option D
Explanation:
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