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The earth ( mass=6xx10^24kg) revolves ar...

The earth ( mass=`6xx10^24`kg) revolves around the sun with an angular velocity of `2xx1^-7 rads^-1` in a circular orbit of radius `1.5xx10^8` km. the force exerted by the sun on the earth in Newton is

A

`36 xx 10^(21)`

B

`18 xx 10^(25)`

C

`29 xx 10^(39)`

D

zero.

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