Physics, 07.01.2021 08:40 jakebice5991
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Thermodynamics is the branch of physics concerned with a system's energy and work. Scientists became interested in
thermodynamics back in the eighteenth and nineteenth centuries, with the birth of the Industrial Revolution. Use online or print
resources to answer the following questions about the importance of thermodynamics. Cite at least three authoritative resources
to support your responses.
Part A
You've learned about the laws of thermodynamics. Using examples, explain why the first and second laws are significant for
living organisms.
Part B
Heat engines were first envisioned and built during the Industrial Revolution. Explain the thermodynamics of a heat engine, commenting on its efficiency.
Part C
Heat pumps and refrigerators are modern conveniences that came from the study of thermodynamics. In a paragraph explain how they work.
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The x-coordinate of a particle in curvilinear motion is given by x = 3.1t3 - 4.9t where x is in feet and t is in seconds. the y-component of acceleration in feet per second squared is given by ay = 2.3t. if the particle has y-components y = 0 and vy = 5.0 ft/sec when t = 0, find the magnitudes of the velocity v and acceleration a when t = 1.8 sec. sketch the path for the first 1.8 seconds of motion, and show the velocity and acceleration vectors for t = 1.8 sec. answers: v = ft/sec a = ft/sec2
Answers: 2
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Find v(t), given acceleration a(t)=7j and initial velocity v(0)=k
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The electric field between square plates of a parallel-plate capacitor has magnitude e. the potential across the plates is maintained with constant voltage by a battery as they are pulled apart to twice their original separation, which is small compared to the dimensions of the plates. the magnitude of the electric field between the plates is now equal to a)e b)e/4 c)e/2 d)4e e)2e
Answers: 1
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Thermodynamics is the branch of physics concerned with a system's energy and work. Scienti...
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