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5. An artificial satellite orbits in a circular path. Theheight of the satellite from the surface of earth is36,000 km. Such a satellite is called geo-stationarysatellite. When the satelite is exactly verticallyupwards the ground station, it sends a signal. Howmuch time will the signal take to reach the groundstation. The speed of signal is 3 x 10 ms-A bodytravels a distance of 10 km with a constantspeed of 30 kn h and then the next 40 kn at ant speed of 50 km h . Find the average speecd6.for the whole journey.arket at an average sneed, af

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