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

The earth (mass `=6xx10^(24)kg`) revolves round the sun with an angular velocity of `2xx10^(-7)"rad/s"` in a circular orbit of radius `1.5xx10^(8)km.` The gravitational force exerted by the sun on the earth, in newtons, is

A

zero

B

`18xx10^(25)`

C

`27xx10^(39)`

D

`36xx10^(21)`

Text Solution

Verified by Experts

The correct Answer is:
C
`F=mR omega^(2)=6xx10^(24)xx1.5xx10^(11)(2xx10^(-7))^(2)`
`=36xx10^(21)N`
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MHTCET PREVIOUS YEAR PAPERS AND PRACTICE PAPERS-GRAVITATION -Exercise 1
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  2. A satellite is placed in a circular orbit around the earth at such a ...

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  3. The earth (mass =6xx10^(24)kg) revolves round the sun with an angular ...

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  4. The orbital velocity of an artifical satellite in a cirular orbit abov...

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  5. If total enrgy of satellite is E what is its potential enrgy

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  6. A relay satellite transmits the television programme from one part of ...

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  7. By what percent the energy of the satellite has to be increased to shi...

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  8. A satellite moves around the earth in a circular orbit with speed v. I...

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  9. The field which artifical satellite are useful stelites are useful f...

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  10. A lauching vehicle carrying an artificial satellite of mass m is set f...

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  11. A body is orbiting around earth at a mean radius which is two times a...

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  12. The time period of an earth satellite in circular orbit is independent...

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  13. The radius of the orbit of a satellite is r and its kinetic energy i...

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  14. The pitentil energy of a satellite is given as PE= lambda(KE) whe...

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  15. A 400 kg satellite is in a circular orbit of radius 2 R(E) about ...

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  16. The time period of a geostationary satellite at a height 36000 km ...

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  17. A simple pendulum has a time period T(1) on the earth 's surface ...

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  18. The mass of a planet is six times that of the earth. The radius of the...

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  19. For a body to escape from earth, angle from horizontal at which it sho...

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  20. The escape velocity form the earth is 11 kms^(-1) the esacpe veloc...

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