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A satellite is moving around the earth with speed  in a circular orbit of radius .  If the orbit radius is decreased by 1%, its speed will

a)

Increase by 1%

b)

Increase by 0.5%

c)

Decrease by 1%

d)

Decrease by 0.5%



Question ID - 55186 | SaraNextGen Top Answer

A satellite is moving around the earth with speed  in a circular orbit of radius .  If the orbit radius is decreased by 1%, its speed will

a)

Increase by 1%

b)

Increase by 0.5%

c)

Decrease by 1%

d)

Decrease by 0.5%

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

(b)

% increase in speed  (% decrease in radius)

 speed will increase by 0.5%

127 votes


127