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# Quiz 1 - a Write an equation which any Physics 7 student...

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Quiz 1 . DL Sec Name ID | | | last first section row number I certify by my signature that I will abide by the code of academic conduct of the University of California. Signature The picture shows a cylinder that has been split in half and laid on its side on a table. A Phy 7C student has pushed down on the left side of the cylinder causing it to turn through a small angle, = 0.2 radians. She removes her finger at the same time she starts her stop watch, and she sees the cylinder roll back and forth in an oscillatory motion. The edge where she initially pushed down reaches its highest point for the first time when her stop watch reads 1.5 s. a)

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Unformatted text preview: a) Write an equation which any Physics 7 student could use to find the angle, , of the cylinder as a function of the stop watch reading. Give specific numerical values of any constants you use in your equation. Let us agree that the initial value of is in what we will call the positive direction. b) Graph the time dependence of for the first 8 seconds. Be sure to put appropriate numbers on the vertical axis. c) Describe the motion of the cylinder at t = 0.75 s and at t = 2.25 s. d) Determine the time rate of change of (the angular velocity of the cylinder) when the stop watch reads 2.25 s. t (s) 2 4 6 -2 0...
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