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anonymous
 one year ago
Suppose Galileo and his assistant were 1 km apart when Galileo uncovered his lantern to try to measure the speed of light. How long would it have taken the light signal to reach his assistant?
A. 3.0 * 10^8 s
B. 3.3 * 10^9 s
C. 1.0 s
D. 3.3 * 10^6 s
anonymous
 one year ago
Suppose Galileo and his assistant were 1 km apart when Galileo uncovered his lantern to try to measure the speed of light. How long would it have taken the light signal to reach his assistant? A. 3.0 * 10^8 s B. 3.3 * 10^9 s C. 1.0 s D. 3.3 * 10^6 s

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Michele_Laino
 one year ago
Best ResponseYou've already chosen the best response.1it is simple, since we have to apply this formula: \[t = \frac{d}{c} = \frac{{10 \times 3}}{{3 \times {{10}^8}}}\]

Michele_Laino
 one year ago
Best ResponseYou've already chosen the best response.1oops..I have made a typo, here is the right formula:

Michele_Laino
 one year ago
Best ResponseYou've already chosen the best response.1\[t = \frac{d}{c} = \frac{{{{10}^3}}}{{3 \times {{10}^8}}}\]

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0we get 3.333333333E6?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0so our solution is choice D?
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