Acceleration of the fly-wheel
Determine the initial angular velocity of the fly-wheel if, after two minutes, the flywheel is rotating clock-wise at 250 rad/sec and the acceleration of the fly-wheel is a constant 4 rad/sec^2, clock-wise?
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On a day when the atmospheric pressure was29.85 in Hg, he trapped some air in the tip of a J-tube and calculated the difference in the height of the mercury in the two arms of the tube (h).
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Calculate the maximum height, neglecting all the forms of friction, to which a car of mass 1000kg can be driven on the 1 gallon fuel given that the engine cylinder temperature is 2000 Celsius and the exit temperature is 800 Celsius?
Given the average rate of the reaction is found to be 4.50 × 10-4 M/s, explain how long will it take the concentration to drop to 0.340 M? In the reaction A → products, the initial concentration of A is 0.421 M.
The central bright fringe in the single slit diffraction pattern from the light of wavelength 542 nm is 1.8 cm wide on a screen which is 1.05 m from the slit.
Determine the total pressure of a mixture of 0.0335 mol of helium, He, and 0.0240 mol of oxygen, O2, in a 4-L flask at20°C.
Assuming all the steam is converted to water; explain what would be the final temperature of the system, the heat transferred from the water to copper, and the entropy change of the water, copper, and the total system?
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