When mars is on the opposite side of the sun from earth, it is about 4.0×108km away. how long does it take a radio signal traveling at the speed of light, c=3.00×105km/s, to go from earth to mars at this time? be sure to give your answer with the appropriate precision?
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Asmall object with mass 0.200 kg swings back and forth on the lower end of a light rope that is 3.00 m long. the upper end of the rope is attached to the ceiling. as the object swings through its lowest position, where the rope is vertical, the speed of the object is 5.80 m/s. at this point in the motion, what is the tension in the rope? (use g = 9.80 m/s2.)
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When mars is on the opposite side of the sun from earth, it is about 4.0×108km away. how long does i...
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