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Physics, 19.12.2019 21:31 kenziebug34
Physics occurs all the time but often go unnoticed. here is your chance to reflect on physics in action. other than the examples used in the lesson, think of a time where you witnessed the conservation of angular momentum. describe the objects that had angular momentum and how angular momentum was conserved.
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Physics, 22.06.2019 01:50
Arod of some material 0.20 m long elongates 0.20 mm on heating from 21 to 120°c. determine the value of the linear coefficient of thermal expansion [in (degrees c)^-1] for this material.
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Physics, 22.06.2019 07:00
The speed of sound in ice, water, and steam is shown. what best explains the speed of sound in different states of matter? sound travels fastest in ice because energy is easier to transfer when the molecules are close together. sound travels slowest in steam because the sound has to move around the gas molecules that are far apart. sound travels fastest in ice because the temperature of solids is always greater, so the heat transfers the sound energy. sound travels slowest in steam because the pressure is so great the sound cannot travel though the steam particles.
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Physics occurs all the time but often go unnoticed. here is your chance to reflect on physics in act...
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