Physics, 07.12.2021 01:00 marahsenno
Light travels at 300000000m/s. The circumference of the earth is 40075000m. How long would it take light to travel around the earth?
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Aspring is used to stop a 50-kg package which is moving down a 20º incline. the spring has a constant k = 30 kn/m and is held by cables so that it is initially compressed 50 mm. knowing that the velocity of the package is 2 m/s when it is 8 m from the spring and neglecting friction, determine the maximum additional deformation of the spring in bringing the package to rest.
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Light travels at 300000000m/s. The circumference of the earth is 40075000m. How long would it take l...
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