1.(a)How long dit it take a message sent from Earth to reachthe first astronauth

Question

1.(a)How long dit it take a message sent from Earth to reachthe first astronauth on the moon. (b)How long will it take for a message from earth to reach thefirst astronaut who arrive on venus:assume Venus is at its closestapproach to earth(41*10^6Km) 2 1.(a)How long dit it take a message sent from Earth to reachthe first astronauth on the moon. (b)How long will it take for a message from earth to reach thefirst astronaut who arrive on venus:assume Venus is at its closestapproach to earth(41*10^6Km) 2

Explanation / Answer

s = v t = c t = 3 * 10E8 * t t = 3.8 * 10E8 / 3 * 10E8 = 1.3 sec t (venus) = 4.1 * 10E10 / 3 * 10E8 = 140 sec = 2 min 20sec

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