58. It takes 8 hours for light from a source to reach earth. Assuming
distance from earth to source is 8 in the ones place, 0 in tenth
place and 0 in hundredth place km. What will be the speed if the
speed is halved?
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Answer:
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Answered by
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Answer:
Distance = speed * time
Distance = 800 km
Time= 8 hours
Speed = ?
Speed= D/t
= 800/8
= 100
As given what will be the speed is speed is halved
Therefore, Speed= 1/2(100)
= 50km/h
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