Four identical particles of equal masses 1kg made to move along the circumference of a circle of radius 1m under the actin of their own mutual gravitational attraction. The speed of each particle will be:
Four identical particles of equal masses 1kg made to move along the circumference of a circle of radius 1m under the actin of their own mutual gravitational attraction. The speed of each particle will be:
Option 1 -
Option 2 -
Option 3 -
Option 4 -
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1 Answer
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Correct Option - 1
Detailed Solution:Putting m = 1 kg and r = 1 m,
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. (i)
. (ii)
= 107 m
= 10,000 km
R + h = 10,000
h = 10,000 – 6400 = 3600 km
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