Type your question hereThe Apollo II astronauts set up a panel of efficient corn

Question

Type your question hereThe Apollo II astronauts set up a panel of efficient cornercube retroreflectors on the Moon's surface. The speed of light can be found by measuring the time interval required for a laser beam to travel from Earth, reflect from the panel, and return to Earth. If this interval is measured to be 2.505 s, what is the measured speed of light? Take the center-to-center distance from Earth to Moon to be 3.84 X 108 m, and do not ignore the sizes of the Earth and Moon. (Give your answer to 4 significant figures.)
1
Your response differs significantly from the correct answer. Rework your solution from the beginning and check each step carefully. Mm/s

Explanation / Answer

radius of the moon is 1734 km

radius of the earth is 6371 km

--> total distance between two panels: d=3.84e8-1734-6371=3.8399 m

--> distance traveled by the beam is 2*d=7.6798e8 m

--> spped of light v=2d/t=3.0658 m/sec

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