lecture10-SHM-part2

lecture10-SHM-part2 - So far rota)onal variables in...

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So far … rota)onal variables in harmonic mo)on unit circle and cosine curve today graphing posi)on, velocity, and accelera)on vs. )me write an equa)on for SHM (Bernoulli worksheet±
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Bicycle Wheel Consider the yellow dot on a rotating bicycle wheel. At t = 0 the yellow dot has the position indicated in the figure. a) Which of the graphs corresponds to y velocity versus time? A C B D E. none of these x y
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Bicycle Wheel Consider the yellow dot on a rotating bicycle wheel. At t = 0 the yellow dot has the position indicated in the figure. a) Assume now that graph H shows the x position as a function of time. What is the initial angular position at t = 0? A. 0 B. π /2 C. π D. 3 π /2 E. 2 π x y
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worksheet Two ladybugs (A and B) are sitting on a wheel that is rotating at 1 rev./s. A 2 4 6 y x B Draw a x(t) graph for ladybug A Assume now that the wheel is rotating at f = 2 revs./s . Draw a x(t) graph for ladybug A make a list of all the parameters that are the same for ladybug A & B Write the equation of motion for ladybug A and ladybug B ; General equation: x(t) = A cos ( ω t + ϕ 0 )
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worksheet The graph shows the x-position as a function of time of a ladybug on a wheel with constant angular velocity ω . Which of the following graphs is obtained if ladybug A sits closer to the rim of the wheel? -2 -1 0 1 2 0 0.5 1 1.5 2 2.5 Time -2 -1 0 1 2 0 0.5 1 1.5 2 2.5 -4 -2 0 2 4 0 0.5 1 1.5 2 2.5 -2 -1 0 1 2 0 0.5 1 1.5 2 2.5 -1 -0.5 0 0.5 1 0 0.5 1 1.5 2 2.5 -2 -1 0 1 2 0 0.5 1 1.5 2 2.5 A B C E D
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lecture10-SHM-part2 - So far rota)onal variables in...

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