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Physics, 22.06.2019 21:30
Aperson touches a large chunk of ice with their hand and remarks, โthis is making me cold.โ explain what this person is feeling. is the ice transferring โcoldโ to the person? is there a heat transfer occurring? explain.
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Physics, 22.06.2019 21:40
Engines for propeller-driven aircraft are limited in their maximum rotational speed by the fact that the tip speed of the propeller must not approach the speed of sound in air (mach i). taking 6 ft as a typical diameter for a propeller of a light airplane and 1100 fils as the speed of sound, find the upper limit on the rpm (revolutions per minute) of the propeller shaft.
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Physics, 22.06.2019 22:00
If a hiker that weighs 600 newtons climbs a 50 meter hill, how much gravitational potential energy has the hiker gained?
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Physics, 23.06.2019 02:20
What are known as the properties of substances that describe a substance et does not change that substances?
Answers: 1
What refers to the total energy of a system?...
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