An body is moving in a circular orbit of radius 5000 m. Calculate its speed if it take 1 hours to revolve around the earth .
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Speed =2pi r /t
=2×22/7×5000/60
=44/7×500/6
=521.42approx.m/s
=2×22/7×5000/60
=44/7×500/6
=521.42approx.m/s
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