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Physics, 22.12.2021 02:40, chanel2371
an artificial satellite orbits earth at a speed of 7800 m/s and a height of 200 km above earth’s surface. the satellite experiences an acceleration due to gravity of
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Astudent is given an assignment to demonstrate diffraction. he takes a photograph of a straw in a glass of water. the straw appears bent at the water level. which best describes this example? a) this is a good example of diffraction. b) this is an example of dispersion and not diffraction. c) this is an example of refraction and not diffraction. d) this is an example of reflection and not diffraction.
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Physics, 22.06.2019 17:50, arunamvr
Which of the following best describes internal energy? a. the difference between the kinetic and potential energies of the particles in a system b. the sum of the kinetic and potential energies of the particles in a system c. the sum of the kinetic and thermal energies of the particles in a system d. the difference between the kinetic and thermal energies of the particles in a system
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an artificial satellite orbits earth at a speed of 7800 m/s and a height of 200 km above earth’s sur...
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