10. An artificial satellite is moving in a circular
orbit of radius 42250 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
=2×3.14×42250=265464.58 km
Therefore speed of satellite,
time taken
v= -------------------------
distance travelled
265464.58
=---------------------
24×60×60
=3.07 km s-¹
therefore...
your answer is 3.07km-¹
hope it's help you...
:)
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