How convert speed of light into km per hour? Plzzzzzzzzz help me......its very important..
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Answer:
10.8 × 10⁸ km hr⁻¹ is the correct answer.
Explanation:
To convert the speed given in m s⁻¹ into km hr⁻¹, we have to multiply 18/5 to the speed given in m s⁻¹.
To convert the speed given in km hr⁻¹ into m s⁻¹, we have to multiply 5/18 to the speed given in km hr⁻¹.
∴ Speed of light in m s⁻¹ = 3 × 10⁸ m s⁻¹
∴ Speed of light in km hr⁻¹ = 3 × 10⁸ × 18/5
= 10.8 × 10⁸ km hr⁻¹ ←ANSWER
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