Time it takes for sunlight to reach the Earth (3165)

, por F_y_Q

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There are 150 000 000 km between the Sun and the Earth. If the velocity of light in a vacuum is 300 000 km/s, how long does it take for light to reach the Earth?

P.-S.

Clearing time in the velocity equation (being c the speed of light):

c = \frac{d}{t}\ \to\ \color[RGB]{2,112,20}{\bm{t = \frac{d}{c}}}

Now is time to solve the equation:

t = \frac{1.5\cdot 10^8\ \cancel{km}}{3\cdot 10^5\frac{\cancel{km}}{s}}= \fbox{\color[RGB]{192,0,0}{\bf 500\ s}}


Descarga el enunciado y la resolución del problema en formato EDICO si lo necesitas.

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