Angular Momentum of a Point Mass Video Lessons

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Problem: The moon's mass is 7.4×1022kg and it orbits 3.8×108m from the earth with a period of 27.3 days.What is the angular momentum of the moon around the earth?Express your answer using two significant figures.

FREE Expert Solution

v=xt

Linear momentum, P ,

P=mv

Angular momentum, L,

L=rP

Periodic time, T = 27.3 days = 27.3 day (24 hr/ 1 day)(3600 s / 1 hr) = 2,358,720 s

r = 3.8×108m

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Problem Details

The moon's mass is 7.4×1022kg and it orbits 3.8×108m from the earth with a period of 27.3 days.

What is the angular momentum of the moon around the earth?

Express your answer using two significant figures.

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