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algol [13]
3 years ago
10

Calculate the average speed of the moon around the earth. The moon has a period of revolution of 27.3 days and an average distan

ce from the earth of 3.84 × 108 m.
Physics
1 answer:
klio [65]3 years ago
5 0
<h2>The average speed of the moon around the earth is 1021.74 m/s</h2>

Explanation:

Radius of moon around earth, r = 3.84 × 10⁸ m

Circumference of orbit = 2πr = 2 x 3.14 x 3.84 × 10⁸

Circumference of orbit = 2.41 x 10⁹ m

Time taken, t = 27.3 days = 27.3 x 24 x 60 x 60 = 2358720 seconds

We have

       Circumference of orbit = Speed of moon x Time taken

        2.41 x 10⁹ = Speed of moon x 2358720

       Speed of moon = 1021.74 m/s

The average speed of the moon around the earth is 1021.74 m/s

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