An artificial satellite is moving in a circular orbit of radius 4200 KM around the earth. what is its speed if it takes one day to complete one revolution ?
a.4099 Kmph
b.3099 Kmph
c.1099 Kmph
d.2099 Kmph
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Answer:
An artificial satellite is moving in a circular orbit of radius 4200 KM around the earth. what is its speed if it takes one day to complete one revolution ?
a.4099 Kmph
b.3099 Kmph
c.1099 Kmph
d.2099 Kmph
option (a) is correct ✔✔
Answered by
8
Hlo mate here is ur ans...
Distance covered by the satellite in 24 hours
Distance covered by the satellite in 24 hourss=2πr
=2×3.14×42250=265464.58 km
=2×3.14×42250=265464.58 kmTherefore speed of satellite,
=2×3.14×42250=265464.58 kmTherefore speed of satellite,v= time taken distance travelled
distance travelled
distance travelled = 24×60×60
distance travelled = 24×60×60265464.58
distance travelled = 24×60×60265464.58
distance travelled = 24×60×60265464.58 =3.07 km s^−1
−1
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