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The time taken by the earth to complete ...

The time taken by the earth to complete one revolution around the sun is ` 3.156 xx 10^(7) s` . The distance between the earth and the sun is ` 1.5 xx 10^(11)` m. Find the speed of revolution of the earth.

Text Solution

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Data : `T=3.156xx10^(7)s,`
`r=1.5xx10^(11), v=?`
`v=(2pir)/(T)=(2xx3.142xx1.5xx10^(11)m)/(3.156xx10^(7)s)`
`=2.987xx10^(4)m//s=29.87km//s`
This is the speed of revolution of the earth.
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