Physics, 25.07.2019 04:10 alanisalvarez2000
Ameteorite has a speed of 95.0 m/s when 750 km above the earth. it is falling vertically (ignore air resistance) and strikes a bed of sand in which it is brought to rest in 3.35 m . part a what is its speed just before striking the sand?
Answers: 2
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Light traveling in water, nwater = 1.33, strikes a plastic block at an angle of incidence of 51.4°; part of the beam is reflected and part is refracted. if the index of refraction of the plastic is 2.0, what is the angle made by the reflected and refracted beams?
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The ability to make things happen is also called a. heat b. force c. matter d. energy
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Awave that is traveling fast can be said to have a high a. frequency b. speed c. wavelength d. amplitude e. period f. none of these
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Ameteorite has a speed of 95.0 m/s when 750 km above the earth. it is falling vertically (ignore air...
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