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There was a major collision of an asteroid with the Moon
Chapter 25, Problem 9(choose chapter or problem)
Problem 9PE
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 3.84×105 km away, would the light first arrive on Earth?
Questions & Answers
QUESTION:
Problem 9PE
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 3.84×105 km away, would the light first arrive on Earth?
ANSWER:
Solution 9PE
Step 1 of 2
The expression to find the distance travelled by light is,
d=ct
Here d is distance, v is the speed and t is the time.
Rearrange the expression for the time t,
t=