Q.

Find the angular momentum of satellite of mass 400 kg moving around the earth in radius 4 x 107m.

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a

5 x 1012 kg m2 /s

b

50 x 1012 kg m2 /s

c

512 x 104 kg m2 /s

d

512 x 106 kg m2 /s

answer is A.

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Detailed Solution

Angular momentum = mvr
=mGMrr=400×6.6×1011×6×10244×107×4×107=3.14×103×16×109=50.24×1012kgm2/s

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