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Physics, 22.06.2019 08:30
What properties of a moving object are used in determining the object's energy of motion
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Physics, 22.06.2019 20:40
In addition to gravity, what is the other predominant force that affects the motion of a pendulum?
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Physics, 22.06.2019 23:50
Which property is expressed in distance units? o a. period o b. wavelength o c. speed o d. frequency
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Physics, 23.06.2019 02:40
An air standard cycle with variable specific heats is executed in a closed system and is composed of the following four processes. 1-2 isentropic compression 100 kpa and 22°c to 600 kpa 2-3 v=constant heat addition to 1500 k 3-4 isentropic expansion to 100 kpa 4-1 p=constant heat rejection to initial state (a) show the cycle on p-v and t-s s (b) calculate the net work output per unit mass (409 kj/kg) (c) determine the thermal efficiency (47.9%)
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A 4.02 kg sphere makes a perfectly inelastic collision with a second sphere that is initially at res...
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