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HELP HOME PAGE Make a Practice Test Some Hints & Solutions Introductory Topics Kinematics Mechanics Thermodynamics Optics Electric Fields Magnetic Fields Electric Circuits Vibrations and Waves ** "Reload" or "Refresh" the page to make another test from the same selection of problem types (F5 in Internet Explorer). Select a new problem set. A ball is hanging on the end of a string which is being swung such that the ball follows a circular path with an angular velocity of 8.32 rad/s. How long does it take to make 33.9 revolutions? s A ball is hanging on the end of a string which is being swung such that the ball follows a circular path with an angular velocity of 62.34 rad/s. How many revolutions does it make in 5.2 seconds? revolutions A disk spins at an angular velocity of -0.1468 rad/s. If it is an angle of 211.5o at time=0, how much later will it be at an angle of 85.3o? s A disk spins at an angular velocity of -0.07452 rad/s. If it is an angle of 3.52 rad at time=0, what angle is it at when time=23.08 s? rad A ball is hanging on the end of a string which is being swung such that the ball follows a circular path, performing 41.2 revolutions in 13.9 seconds. What is its angular velocity? rad/s A spinning disk rotates from an angle of 245.8o to 244.1o in 22.19 seconds. What is its angular velocity? rad/s