Physics, 02.12.2019 21:31 sdepasquale24
Adisk with a rotational inertia of 5.0 kg. m2 and a radius of 0.25 m rotates on a frictionless fixed axis perpendicu-
lar to the disk and through its center. a force of 8.0 n is applied tangentially to the rim. if the disk starts at rest,
then after it has turned through half a revolution its angular velocity is :
(1) 0.57 rad/s
(2) 0.64 rad/s
(3) 1.6 rad/s
(4) 3.2 rad/s
Answers: 3
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