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PHY 121 Ch 3b Lecture

PHY 121 Ch 3b Lecture - Lecture 4 Thursday January 24 1 In...

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1 Lecture 4 Thursday, January 24
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2 In uniform circular motion A. The velocity is constant. B. The speed and the acceleration are constant. C. The speed and the magnitude of the acceleration are constant. D. Only the speed is constant.
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3 The period T in circular motion A. Is the time needed for one revolution. B. Is the number of revolutions per second. C. Is the number of radians per second traveled. D. Is the length of the circle in m.
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4 In non-uniform circular motion A. The acceleration vector points to the center of the circle. B. The radial acceleration has a constant magnitude. C. The tangential acceleration is nonzero. D. The acceleration is constant.
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5 The Galilean velocity transformation breaks down A. When both objects are accelerated. B. When one of the objects is accelerated. C. When the velocities are comparable with the speed of light. D. It never breaks down.
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6 Problems with your CPS clicker? http://clickers.asu.edu
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7 Physics Together Starts today at 12:00 Location: PSF-306
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