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24-05-2024
Physics

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Suppose a star is 5.26 ✕ 10¹⁸ m from Earth. Imagine a pulse of radio waves is emitted toward Earth from the surface of this star. How long (in years) would it take to reach Earth?
a) 175 years
b) 258 years
c) 123 years
d) 413 years

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