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A spring-mass system is found to vibrate with a frequency of 120 cycles per minute in air and 100 cycles per minute in a liquid. Find the spring constant k, the damping constant c, and the damping ratio (zeta) when vibrating in the liquid. Assume m=10kg.
at standard atmospheric temperature and pressure 25 c and 1 atm how many moles of dry air be present in a room having a
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you have tested bearings for a particular machine. this resulted in a mean of 40570000 cycles with a standard deviation
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