Physics, 04.05.2021 14:00 griffinkiley22
if the reading of a mercury barometer is 75.58cm at the base of a mountain and 66.37cm at the summit, what is the height of the mountain? (density of mercury= 13600kg/m³, average density of air=1.25kg/m³
Answers: 3
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If an athlete runs once around a track, back to the starting line, her average velocity is zero. true or false?
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When the displacement of a mass on a spring is 12a the half of the amplitude, what fraction of the mechanical energy is kinetic energy? at what displacement, as a fraction of a, is the mechanical energy half kinetic and half potential?
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In a heat engine if 1000 j of heat enters the system and the piston does 500j of work, what is the final internal energy of the system if the inital energy was 2000 j1.write the equation2.list out your known variables 3. plug the numbers into the equations4.solve 5.write your solution statement that includes initial energy and final energy added.
Answers: 3
if the reading of a mercury barometer is 75.58cm at the base of a mountain and 66.37cm at the summit...
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