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An artificial satellites is revolving at...

An artificial satellites is revolving at a height of 500 km above the earth's surface in a circular orbit, completing one revolution in 98 minutes. Calculate the mass of the earth. Given `G=6.67xx10^(-11)N*m^2*kg^(-2) and R_e=6.4xx10^6 m`

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The correct Answer is:
`5.62xx10^(24)` kg
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CHHAYA PUBLICATION-NEWTONIAN GRAVITATION AND PLANETARY MOTION-PROBLEM SET -I
  1. Show that if the earth stops rotating about its axis, then the acceler...

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  2. Choose the correct alternative : (i) Acceleration due to gravity (in...

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  3. Choose the correct alternative : (ii) Acceleration due to gravity (i...

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  4. Choose the correct alternative : (iii) Acceleration due to gravity i...

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  5. Choose the correct alternative : (iv) The formula -GMm(1//r2-1//r1) ...

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  6. If both the radius and the mean density of a planet are half the radi...

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  7. Calculate the angular velocity of the earth for which effective accele...

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  8. Find the percentage decrease in the weight of a body when taken 32 km...

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  9. The density of a planet is 1/3 rd that of the earth and its radius is ...

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  10. Determine the value of the escape velocity from the surface of the moo...

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  11. The radius of a planet is double than that of the earth but their aver...

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  12. How much energy would be needed for a body of mass 10 kg to escape fro...

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  13. The planet Mercury revolves around the sun once in 88 days. If the mea...

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  14. Two planets are revolving around a star and the ratio of their average...

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  15. An artificial satellite revolves around the earth in a circular path ...

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  16. Let us assume that our galaxy consists of 2.5xx10^(11) stars each of o...

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  17. Choose the correct alternative: (i) If the zero of potential energy ...

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  18. Choose the correct alternative: (ii) The energy required to launch a...

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  19. A satellite of mass 1000 kg moves in a circular orbit of radius 7000 k...

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  20. An artificial satellites is revolving at a height of 500 km above the ...

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