The velocity with which a projectile must be fired so that it escapes earth's gravitational does not depend on ……
- Gravitational constant
- Mass of the projectile
- mass of earth
- radius of he projectiles' orbit
Answer:The correct answer is: Mass of the projectile
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Escape velocity on the surface of earth is 11.2kms-1 Escape velocity from a planet whose masses the same as that of earth and radius 1/4 that of earth is.....kms-1
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Correct configuration of the following molecule is :
,
Correct configuration of the following molecule is :
,
When zeolite, which is hydrated sodium aluminium silicate, is treated with hard water the sodium ions are exchanged with
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3 Particle each of mass are kept at vertices of an equilateral triangle of side L. The gravitatioml field at center due to these particles is……
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Hydrogen peroxide is
Hydrogen peroxide is
Hydrogen can be obtained from water by
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Which of the following is/are hard water(s)
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Pick the odd one out
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Hydrogen can be obtained from water, by the action of water on
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What is true about ice
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Hydrogen will not reduce
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is added to following oxides. Which one would give 
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Which of the following pair will not produce dihydrogen gas
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