speed of light in SI system is 3 into 10 to the power 8 metre per second in a new system unit of length is a kilometre and unit of time is second then speed of light in new system of unit is
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Answer:
3×10⁵ km/s
Explanation:
Simply covert meters into kilometers since the time is in the same units.
therefore the answer you are looking for is,
3×10⁸/1000 = 3×10⁵ kms⁻¹
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