P201_Practice_Exam_03

P201_Practice_Exam_03 - 1) The period of the moons rotation...

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1) The period of the moon’s rotation is 29 days, what is it angular velocity? A) 5.0 x 10 -6 rad/s B) 2.5 x 10 -6 rad/s C) 2.8 x 10 -6 rad/s D) 1.5 x 10 -6 rad/s E) 1.0 x 10 -6 rad/s 2) The angular velocity of a merry-go-round is ω = 2.0 rad/s. How many revolutions does it make in 3 seconds? A) 6.0 rev B) 3.0 rev C) 2.0 rev D) 0.95 rev E) 0.78 rev 3) A bicycle is rolling along a road. The top of a bicycle wheel is moving at velocity of 3 m/s . The wheel has a radius of 0.6 m. What is the angular velocity of the wheel? A) 0.9 rad/s B) 1.8 rad/s C) 2.5 rad/s D) 3.0 rad/s E) 5.0 rad/s 4) A spinning Frisbee travels at 0.5 m/s and rotates with ω = 10 rad/s, What is the total KE of the Frisbee? Assume the Frisbee is a disk with mass, M= 0.2 kg, R=0.1m. A) 1x10 -3 J B) 5x10 -3 J C) 30x10 -3 J D) 40x10 -3 J E) 75 x10 -3 J
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5) What is the moment of inertial of the four masses shown in the figure, for rotations about the x axis? All 4 masses are pointlike and 2 kg. A) 8 kgm
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P201_Practice_Exam_03 - 1) The period of the moons rotation...

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