Physics

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simple harmonic motion equations

Question In the equations below, A, B, w and f are constants; y and t are variables; t represents time. Only one of the following equations does not represent SHM. Which one is that?                          &nbs ... Read More

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phase of a simple harmonic motion equation

Question This equation represents a SHM: . Which part of   the expression on the right hand side is called the phase?                            ... Read More

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frequency of a simple harmonic motion

Question Here is a displacement-time graph of   an object moving with simple harmonic motion. What is the frequency of   the SHM?     A: 0.40 Hz B: 1.25 Hz C: 2.50 Hz D: 5.00 Hz           ... Read More

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amplitude of a simple harmonic motion

Question Here is a displacement-time graph of   an object moving with simple harmonic motion.     What is the amplitude of this motion? A: 4.0 cm. B: 5.0 cm. C: 8.0 cm. D: 10.0 cm         ... Read More

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period of oscillation

Question Here is a displacement-time graph of an object which is not moving with simple harmonic motion. But it is still an oscillation and it has a period.     Estimate that period. A:      0.25s. B:      0.3 s. C:  &nbs ... Read More

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simple harmonic motion equations

Question   It is possible to tell theoretically if a mechanical motion will be SHM through a careful analysis of the forces in the system. An object will execute SHM with displacement coordinate x. A: all the forces involving x are conservative. B: the total force can be equated with -kx. ... Read More

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frequency of the oscillation

Question Consider a thingy hanging from a spring. The system is set vibrating by pulling the thingy down below its equilibrium position and then letting it go from rest                         ... Read More

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amplitude of an oscillation

Question This is the same situation: a thingy oscillating on the end of a spring. The system is set vibrating by pulling the thingy down below its equilibrium position and then letting it go from rest                  &nb ... Read More

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kinetic energy of a spring

Question The system was set vibrating by pulling the thingy down below its equilibrium position and then letting it go from rest                              &n ... Read More

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simple harmonic motion of a spring

Question Suppose that the two springs and the two thingies are identical. Think about whether these two systems are significantly different in other respects and decide which one of the following statements is true              &nb ... Read More

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simple harmonic motion of a spring

Question An object swinging on the end of a string forms a simple pendulum. Some students often cite the simple pendulum's motion as an example of SHM. That is not quite accurate because the motion is really A:      approximately SHM only or small amplitudes. B: &nbs ... Read More

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features of a harmonic motion

Question Fig shows a mass attached to two springs. The mass moves along a horizontal tube with one spring stretched and the other compressed. A narrow marked on the mass indicates its position on a scale. fig1 shows the situation when mass is displaced through a distance x from its equilibrium posi ... Read More

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