What is the mass of earth

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Q. What is an average magnitude of the Pointing vector 5.0miles from a radio transmitter broadcasting isotropically with an average power of 250-kW?

Q. A satellite is in circular orbit 230-km above the surface of the Earth. It is observed to have a period of 89 min. What is the mass of Earth? (The mean radius of the Earth is 6.38 × 106 m.)

Reference no: EM1388985

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