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If all of a sudden the radius of the earth decreases, then

a)

The angular momentum of the earth will become greater than that of the sun

b)

The angular speed of the earth will increase

c)

The periodic time of the earth will increase

d)

The energy and angular momentum will remain constant



Question ID - 53729 | SaraNextGen Top Answer

If all of a sudden the radius of the earth decreases, then

a)

The angular momentum of the earth will become greater than that of the sun

b)

The angular speed of the earth will increase

c)

The periodic time of the earth will increase

d)

The energy and angular momentum will remain constant

1 Answer
127 votes
Answer Key / Explanation : (b) -

(b)

If radius of earth decreases then its M.I. decreases

As   [  constant]

 angular velocity of the earth will increase

127 votes


127