Write the equation for the waves displacement
A sinusoidal wave with an amplitude of 1.5 cm and a frequency of 100 Hz travels at 200 m/s in the positive x-direction. Write the equation for the wave's displacement as it travels.
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A simple pendulum has a period of 2.40 seconds at a location where g = 9.810 m/s^2. What is the value of g at another place on the earth's surface where this pendulum has a period of 2.42 seconds.
If the clock's driving spring is allowed to run down, damping due to the friction will cause the pendulum to slow to an eventual stop. If the time constant for decay is 300 sec, how long will it take for the pendulum's swing to be reduced to half
A study reports the results of a regression analysis based on n=15 observations in which x = filter application temperature and y=% efficiency of BOD removal. Calculated quantities include:
A representative of a consumer advocate group wishes to see if there is any evidence that the mean net weight is less than advertised and so intends to test the hypotheses
A tank of 0.5 m^3 volume contains compressed air. A valve is opened and air escapes with a velocity of 300 m/s through an opening of 130 mm^2 area. Air temperature passing through the opening is -15ºC and the absolute pressure is 350 kPa.
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A 150 hp diesel engine for running an emergency generator in a building ha sa compression ratio of 19 with a cutoff ratio of 1.8. It rejects its heat by way of cooling water that goes to a radiator.
If the temperature of section 1 is 143 Celcius and section 2 is 490 Celcius, what is the temperature (Celcius) of the mixture if the seperation between the two compartments is removed?
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