Sound is passing perpendicularly through an open window
Sound is passing perpendicularly through an open window whose dimensions are 1.1 m x 0.75 m. The sound intensity level is 92 dB above the threshold of human hearing. How much sound energy comes through the window in one hour?
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An ideal gas occupies a volume of 3.0 cm3 at 20°C and atmospheric pressure. Determine the number of molecules of gas in the container
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Two people carry a heavy electric motor by placing it on a light board 2.70m long. One person lifts at one end with a force of 380N, Where is its center of gravity located
The electron and positron have the same velocity. What is the kinetic energy of the electron
Sound is passing perpendicularly through an open window whose dimensions are 1.1 m x 0.75 m. How much sound energy comes through the window
A large tank is filled with methane gas at a concentration of 0.690 kg/m3 The valve of a 1.37-m pipe connecting the tank to the atmosphere is inadvertently left open for eleven hours. What is the cross-sectional area of the pipe
Relational Algebra- The database used for this question is a very simple one with the following schema: (Primary keys are bold, foreign keys are underlined)
For the purposes of equity accounting for an investment in an associate, it is presumed that the investor has significant influence over the other entity where the investor holds
Two moles of an ideal gas are placed in a container whose volume is 9.1 multiply.gif 10-3 m3. What is the average translational kinetic energy of a molecule of the gas
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