Question

$\huge\mathfrak\purple{question}$
An artificial satellite is moving in a circular orbit of radius 42250 km. Calculate it's speed if it takes 24 hrs to revolve around the earth.

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Answer 1

Explanation:

$\huge\mathfrak\purple{question}$

An artificial satellite is moving in a circular orbit of radius 42250 km. Calculate it's speed if it takes 24 hrs to revolve around the earth.

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Answer 2

$distance \: covered \: by \: the \: satellite \: \\ in \: 24hrs$

$s = \pi \: r$

$2 \times 3.4 \times 42250 = 265464.58km$

Therefore speed of satellite is

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

$= > \frac{265464.58}{24 \times 60 \times 60}$

$\huge \pink{ = > 3.07km \: s - 1}$