Question

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 1

Answer:

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Step-by-step explanation:

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Answer 2

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