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For a body to escape from earth, angle f...

For a body to escape from earth, angle from horizontal at which it should be fired is

A

`45^(@)`

B

`gt45^(@)`

C

`lt45^(@)`

D

any angle

Text Solution

Verified by Experts

The correct Answer is:
D

The body can be fired at any angle because the energy is sufficeient to tke the body out of the gravitational field of the earth
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MHTCET PREVIOUS YEAR PAPERS AND PRACTICE PAPERS-GRAVITATION -Exercise 1
  1. By what percent the energy of the satellite has to be increased to shi...

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

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

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

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

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

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

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

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

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

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

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

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

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

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  15. The ratio of the radii of the planets P(1) and P(2) is a the ratio ...

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  16. The mass of the moon is 7//81 th of earth 's mass and its radius is 1...

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  17. The escape velocity of a body from the earth is V(e) if the radius ...

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  18. What is the escape velocity for body on the surface of planet on w...

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  19. What is a period of revolution of the earth satellite ? Ignore the hei...

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  20. Two spherical planets P and Q have the same uniform density rho, masse...

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