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2. A bug of mass 1.0 grams is caught up in the center of an oscillating spider web. The oscillation is described by the sinusoidal function x(t)=2.0sin(wt) where x is in centimeters and 10 is in radians/sec.
a: show that this motion is generated by hooke's law force, f=-kx.
b: Determine the period of oscillations for the bug in sec/cycles
A block of glass with flat sides is surrounded by air. A ray of light traveling in the glass is incident on the flat interface with air at the top surface of the block of glass, What is the refractive index of the glass
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