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Laxman goswami asks : Two spaceships are moving at a velocity of 0.9 c relative to the Earth in opposite directions. What is the speed of one spaceship relative to the other? (c = velocity of light) 
Category : Civil Services (CSAT) |  On : 2011-05-23 05:05:03
 
12/06/2011 09:00:43
speed of one spaceship is also 0.9

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