A student carries a backpack for one mile , another student carries the same back pack for two miles . Compared to the first stu
2 answers:
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Answer:
3727.24km/h
Explanation:
Hello!
To solve this problem we must first know what is the distance from the earth to the moon, this will be our radius.
=384400Km
Then we find the distance traveled which would be the perimeter of a circle = 2πr, finally to find the speed we divide the distance traveled by 27 days.
Finally we use conversion factor to have the speed in km / h
solving
the moon is orbiting at speed of 3727.24km/h
Since the sound travels from the submarine to the object AND back, it actually travelled 3625x2=7250m.
Speed of sound: 1450m/s