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A student finds the following values from a graph between M and x in the static method of determining the spring constant k:
x1 = 0.5 cm; x2 = 7.8 cm; M1 = 120 gm; M2 = 300 gm.
Calculate the value of k.
A toy train rolls around a horizontal 1.5-m-diameter track. The coefficient of rolling friction is 0.13. What is the magnitude of the trains angular acceleration
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As you get ready for your early morning physics class, you comb your hair in front of a planar mirror. How far away from you is your image
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White light is shone on a very thin layer of alcohol (n = 1.36), and above the alcohol layer, interference maxima for two wavelengths (and no other in between) are seen: one violet wavelength of 410 nm, and one red wavelength of 670 nm. What is the t..
A 50.0 g sample of carbon taken from the femur bone of a skeleton is found to havea carbon -14 decay rate of 410 decays/min
Diffraction also occurs with sound waves. Consider 1400-Hz sound waves diffracted by a door that is 93 cm wide. What is the angle between the two first-order diffraction minima
If a 120g mass was placed at the 25cm mark, and a 20 g mass at the 12 cm mark, where must a 500 g mass be placed to balance the system?
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