Use the fact that the speed of light in a vacuum is about 3.00 ✕ 108 m/s to determine how many kilometers a pulse from a laser beam travels in exactly 4.6 hour(s).
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Expert's answer
2017-11-27T12:58:07-0500
1 h=3600 s. Distance is d=ct=(3.00 ∙ 〖10〗^8 )(4.6∙3600)=4.97∙ 〖10〗^12 m=4.97∙ 〖10〗^9 km. Answer: 4.97∙ 〖10〗^9 km.
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