Question

${\mathfrak{\red{\clubs{\large{\underline{Question}}}}}}$

An artificial satellite is moving in a circular orbit of radius 42240 km. Calculate its speed if it takes 24 hours to revolve around the earth.


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Answer 1

Answer:

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Answer 2

✬Question:-

An artificial satellite is moving in a circular orbit of radius 42240 km. Calculate its speed if it takes 24 hours to revolve around the earth.

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✵Answer:-

Distance covered by the satellite in 24 hours

S = 2πr

= 2 × 3.14 × 42240

= 265267.2

✿ Therefore speed of satellite,

$v \: = \frac{distance \: travelled}{time \: taken \: }$

$= \frac{265267.2}{ 24 \times 60 \times 60}$

$= 3.07kms ^{ - 1}$

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