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Daintyarabelle77go
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How much time would it take for light to travel 500km? use t=distance/velocity (t=d/v).Express your answer in scientific notation​

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KizunaHighgo

Converting the distance from km to m.

1 km = 1000 m

(500 km)(1000 m / 1 km)

= 5 x 10⁵ m

Calculating Time.

Given

  • Distance (d) = 5 x 10⁵ m
  • Velocity (v) = 3 x 10⁸ m/s
  • Time (t) = ?

t = d / v

t = 5 x 10⁵ m / 3 x 10⁸ m/s

t = 1.67 x 10⁻³ s

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