Determining the phase constant and amplitude
A 255 g mass attached to a horizontal spring oscillates at a frequency of 3.70 Hz . At t=0 s , the mass is at x= 4.80 cm and has vx=- 33.0 cm/s . Determine the phase constant and amplitude.
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Heat transfer to the cylinder causes an isothermal expansion of the piston until the volume doubles. How much work is done by the piston-cylinder?
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Give an unbiased estimator of the following and give the estimated variance assuming ni=n:
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