HW32 - homework 32 – PAPAGEORGE MATT – Due 4:00 am 1...

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Unformatted text preview: homework 32 – PAPAGEORGE, MATT – Due: Apr 17 2008, 4:00 am 1 Question 1, chap 15, sect 2. part 1 of 1 10 points Simple harmonic motion can be described using the equation y = A sin( k x- ω t- φ ) . Hint: sin(- θ ) =- sin θ . Consider the simple harmonic motion given by the figure. + A-A y π 2 π 3 π 4 π At position x = 0, we have ω t This motion is described by 1. y = A tan parenleftBig- ω t + π 2 parenrightBig 2. y = A sin parenleftbigg- ω t + 3 π 2 parenrightbigg correct 3. y = A cos parenleftbigg- ω t- 3 π 2 parenrightbigg 4. y = A sin parenleftbigg- ω t- 3 π 2 parenrightbigg 5. y = A tan parenleftbigg- ω t + 3 π 2 parenrightbigg 6. y = A cos parenleftBig- ω t + π 2 parenrightBig 7. y = A cos parenleftbigg- ω t + 3 π 2 parenrightbigg 8. y = A tan parenleftbigg- ω t- 3 π 2 parenrightbigg 9. y = A sin parenleftBig- ω t + π 2 parenrightBig Explanation: If the y-axis is moved such that the angle- ω t + 3 π 2 = 0 , the curve is the sine function A sin(- ω t ) ; therefore y = A sin parenleftbigg- ω t + 3 π 2 parenrightbigg is the curve in the figure. Question 2, chap 15, sect 2. part 1 of 1 0 points A body oscillates with simple harmonic mo- tion along the x-axis. Its displacement varies with time according to the equation, x ( t ) = A sin( ω t + φ ) ....
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HW32 - homework 32 – PAPAGEORGE MATT – Due 4:00 am 1...

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