Question

An satellite is moving in a circular orbit of radius 42250km. Calculate it's speed if it takes24 hours to revolve around the earth

Answer 1

Answer:

Explanation:

$Speed=\frac{distance}{time}$

Here, radius is given. We take the formula of circumference to calculate the distance. (Time is already given)

$Distance= 2$ × $3.14$ × $42250$

= 265,330

$Speed=\frac{distance}{time}$

$\frac{265,330}{24*60*60}$     ( * =  Multiplication )

= 39,799,500 km/s

=3.07 $km/s^{-1}$

This will only come as an MCQ Question. Since an high value is given you will find 3.07 in the options.

Hope it helps,

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