Physics, 02.10.2019 00:30 braddog5450
The gas pressure inside a piston-cylinder device is initially balanced by atmospheric pressure. the initial pressure is 100 kpa and volume of the gas in the cylinder is 32 cm3. a spring attached to the outside of the piston exerts no force on the piston. the area of the piston is 0.0004 m2. heat transfer to the gas causes the piston to move upwards by a distance of 2 cm. the spring constant is 10 n/cm. (a) determine the final absolute pressure (kpa) of the gas. (b) calculate the final volume (cm3 ) of the gas. (c) show the expansion process on a p-v diag
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Physics, 21.06.2019 22:00
In 1980, alfa romeo introduced the first system to smooth a rough idle caused by ignition and camshaft timing changes.
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Physics, 21.06.2019 22:30
Astudent is given an assignment to demonstrate diffraction. he takes a photograph of a straw in a glass of water. the straw appears bent at the water level. which best describes this example? a) this is a good example of diffraction. b) this is an example of dispersion and not diffraction. c) this is an example of refraction and not diffraction. d) this is an example of reflection and not diffraction.
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Physics, 21.06.2019 23:20
Initially, a particle is moving at 5.33 m/s at an angle of 37.9° above the horizontal. two seconds later, its velocity is 6.11 m/s at an angle of 54.2° below the horizontal. what was the particle's average acceleration during these 2.00 seconds in the x-direction (enter first) and the y-direction?
Answers: 1
The gas pressure inside a piston-cylinder device is initially balanced by atmospheric pressure. the...
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