find how long does light takes from that star to reach the Earth.

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174. A particular star is at a distance of about 8.1 × 10^13 km from the Earth. Assuring that light travels at 3 × 10^8 m per second, find how long does light takes from that star to reach the Earth.
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Aug
174. A particular star is at a distance of about 8.1 × 10^13 km from the Earth. Assuring that light travels at 3 × 10^8 m per second, find how long does light takes from that star to reach the Earth. 174. A particular star is at a distance of about 8.1 × 10^13 km [...]
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Tags: 174. A particular star is at a distance of about 8.1 × 10^13 km from the Earth. Assuring that light travels at 3 × 10^8 m per second , find how long does light takes from that star to reach the Earth. ,