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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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If angle "a" is 25°, angle "b" is: a) equal to angle c b) less than angle c c) greater than angle c
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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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