Serway_PSE_quick_ch15

Serway_PSE_quick_ch15 - Physics for Scientists and...

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Physics for Scientists and Engineers, 6e Chapter 15 – Oscillatory Motion
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A block on the end of a spring is pulled to position x = A and released. In one full cycle of its motion, through what total distance does it travel? 1 2 3 4 25% 25% 25% 25% 1 2 3 4 5 1. A /2 2. A 3. 2 A 4. 4 A
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From its maximum positive position to the equilibrium position, the block travels a distance A . It then goes an equal distance past the equilibrium position to its maximum negative position. It then repeats these two motions in the reverse direction to return to its original position and complete one cycle.
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Consider the graphical representation below of simple harmonic motion, as described mathematically in Equation 15.6. When the object is at point A on the graph, its 1 2 3 4 5 6 17% 17% 17% 17% 17% 17% 1 2 3 4 5 1. position and velocity are both positive 2. position and velocity are both negative 3. position is positive and its velocity is zero 4. position is negative and its velocity is zero 5. position is positive and its velocity is negative 6. position is negative and its velocity is positive
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The object is in the region x < 0, so the position is negative. Because the object is moving back toward the origin in this region, the velocity is positive.
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The figure below shows two curves representing objects undergoing simple harmonic motion. The correct description of these two motions is that the simple harmonic motion of object B is
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This note was uploaded on 01/19/2010 for the course PHYS 200 taught by Professor Davies during the Spring '08 term at Roger Williams.

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Serway_PSE_quick_ch15 - Physics for Scientists and...

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