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1.It takes light 8 minutes and 20 seconds to reach the Earth from the Sun. The...

1.It takes light 8 minutes and 20 seconds to reach the Earth from the Sun. The speed of light in a vacuum is a constant at 3×108??. Assume Earth’s orbit is circular.a.Whatis the distance from the Sun to the Earth?b.Calculate the mass of the Sun

2.This past week SpaceX and NASA teamed up to launch two astronauts to theInternational Space Station (ISS)from Cape Canaveral for the first time since 2011.The ISShas a mass of4.08×105??and orbits the Earth on acircular path at an altitude of 400km (note that the radius of Earth is 6000 kmand mass of the Earth is 6×1024??).a.How fast is the ISS moving?b.How many orbits does the ISScomplete in one day?c.Determine the work required to put the ISS into this orbit assuming that it started from rest at the surface of the earth.

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genius_generous answered 1 year ago
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