An artificial satellite of negligible size is launched into a circular orbit above…

PHYSICS · Multi-part · CBSE · Physics · Gravitation · Gravitation

Problem

An artificial satellite of negligible size is launched into a circular orbit 400 km400\,\text{km} above the Earth’s surface. (a) (a) Calculate the orbital speed of the satellite. (b) (b) Determine the time period of revolution in minutes. (c) Given: G=6.67×10−11 N m2kg−2G = 6.67\times10^{-11}\,\text{N m}^2\text{kg}^{-2}, ME=6.0×1024 kgM_{E} = 6.0\times10^{24}\,\text{kg}, RE=6.4×106 mR_{E} = 6.4\times10^{6}\,\text{m}. Assume the orbit is circular.

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