ch15-p005

ch15-p005 - x = + x m must return to x = + x m (which, by...

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5. (a) During simple harmonic motion, the speed is (momentarily) zero when the object is at a “turning point” (that is, when x = + x m or x = – x m ). Consider that it starts at x = + x m and we are told that t = 0.25 second elapses until the object reaches x = – x m . To execute a full cycle of the motion (which takes a period T to complete), the object which started at
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Unformatted text preview: x = + x m must return to x = + x m (which, by symmetry, will occur 0.25 second after it was at x = x m ). Thus, T = 2 t = 0.50 s. (b) Frequency is simply the reciprocal of the period: f = 1/ T = 2.0 Hz. (c) The 36 cm distance between x = + x m and x = x m is 2 x m . Thus, x m = 36/2 = 18 cm....
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This note was uploaded on 06/03/2011 for the course PHY 2049 taught by Professor Any during the Spring '08 term at University of Florida.

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