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# Physics Essay

Love Physics
We would expect this result by considering both conservation of linear momentum (the total initial momentum of the system must match the total final momentum of the system) and conservation of energy in this problem (kinetic energy (= 0.94J) stays the same before and after the collision). x = 1 or -1/2, so that v1f = 1.000 m/s or -0. We reject the first solution since we know that ball #1 will bounce back in the negative direction. Therefore, v1f = -0.500 m/s, and from our (*) equation
Pages: 6 (1500 words), Essay
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Light Concentration
Reflecting telescopes use this configuration to focus distant starlight, but usually have a secondary mirror placed before the focal point to reflect the focused light into a different plane (such as up through the telescope top in a Newtonian telescope) for viewing.We can also calculate the focal length of the concave mirror if the distance from the center of the mirror to an object is known ( = r0), and the distance from the center of the mirror to the object’s upside down image (= ri),
Pages: 4 (1000 words), Essay
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Literature Survey Sustainable energy Applications
However, as the human population grows and the overall pressure that existing water supplies face increases, the level of potable water has consequently decrease. Whereas the use of liquid water might not readily be understood in terms of a type of renewable energy, the broad application of water, both for cooling nuclear reactors and for providing the energy for hydroelectric dams, is an issue of profound importance; both in terms of renewable energy and in terms of green energy (Wang et al.
Pages: 5 (1250 words), Essay
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Lab report of a Water SODIS Experiment
This is because the different backgrounds enhance the SODIS procedure. After placing the bottle into the appropriate backgrounds, the bottles are placed in the sunlight for 24 hours. It is important leaving the bottle under sunlight exposure for at least 6 hours. The four bottles were then collected after 24 hours. Two PET bottles were also included for testing. One PET bottle contained contaminated water from the river while the other one contained water that can be consumer from the
Pages: 5 (1250 words), Essay
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Liquid mirror telescopes
The central focal will be paraboloid. The optics will remain the same as other telescopes.When the liquid in a container is rotated, it takes the shape of paraboloid under a constant action of the gravity and centrifugal force. The centrifugal acceleration will grow stronger with distance from the central axis. The reason a parabolic shape is a result is because less viscosity of liquid allows setting its local surface perpendicular to the acceleration it experiences. The liquid telescope is
Pages: 4 (1000 words), Essay
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Liquid mirror telescopes
The central focal will be paraboloid. The optics will remain the same as other telescopes.When the liquid in a container is rotated, it takes the shape of paraboloid under a constant action of the gravity and centrifugal force. The centrifugal acceleration will grow stronger with distance from the central axis. The reason a parabolic shape is a result is because less viscosity of liquid allows setting its local surface perpendicular to the acceleration it experiences. The liquid telescope is
Pages: 4 (1000 words), Essay
Preview Essay
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