Question: The Apollo 11 astronauts set up a panel of efficient corner cube retro reflectors on the Moons surface. The speed of light can be found

The Apollo 11 astronauts set up a panel of efficient corner cube retro reflectors 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 2.51 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.

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