Week 10 Assignment.docx

# Week 10 Assignment.docx - RamonB.Flores 4355744 SCIN234C001...

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Ramon B. Flores 4355744 SCIN234 C001 30 . There was a major collision of an asteroid with the Moon in medieval times. It was described by  monks at Canterbury Cathedral in England as a red glow on and around the Moon. How long after  the asteroid hit the Moon, which is  3.84×10 5 km 3.84 × 105km away, would the light first arrive on  Earth? t = d c t = 3.84 × 10 8 m 3.00 × 10 8 m / s t = 1.28 s 36 . On the Moon’s surface, lunar astronauts placed a corner reflector, off which a laser beam is  periodically reflected. The distance to the Moon is calculated from the round-trip time. What percent  correction is needed to account for the delay in time due to the slowing of light in Earth’s  atmosphere? Assume the distance to the Moon is precisely  3.84×10 8 m 3.84 × 108m and Earth’s  atmosphere (which varies in density with altitude) is equivalent to a layer 30.0 km thick with a

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• Fall '17
• Dr. Xu
• Physics, pH, Harshad number, 10 cm, Canterbury Cathedral, 25 °, Ramon B. Flores

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