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12-01-2021
Physics

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5. Calculate how long in seconds it will take for a light pulse to travel from earth to the moon. The distance from earth to moon is 3.84 x 105 km. Remember that light travels at 186,000 mi/s. (4 pts)

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12-01-2021

Answer:

0.13 seconds

Explanation:

Since 1 Km = 0.621 miles

3.84 x 105 km = 3.84 x 105 × 0.621 = 23846.4 miles

Speed = distance/time

time= distance/speed

Time= 23846.4/186,000

Time= 0.13 seconds

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