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Define escape velocity....

Define escape velocity.

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When a body is thrown vertically upward from the surface of the earth, the minimum initial velocity of the body for which the body is able to overcome the downward pull by the earth and can escape the earth forever is called the escape velocity.
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NAVNEET PUBLICATION - MAHARASHTRA BOARD-GRAVITATION -Answer the following questions :
  1. Does the value of g depend on the mass of the falling body ? Why ?

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  2. Define mass . State its SI and CGS units.

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  3. Define weight . State its SI and CGs units .

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  4. As per the request of one of his friends from the equator , Rahul buys...

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  5. If the value of g suddenly becomes twice its value , it will become tw...

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  6. What is the difference between mass and weight of an object ? Will the...

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  7. What is free fall ?

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  8. Define free fall .

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  9. Explain the term free fall and state the corresponding kinematical equ...

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  10. During a free fall , will a heavier object accelerate more than a ligh...

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  11. If you had to calculate the mass of the earth , how would you do it ?

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  12. What is gravitational potential energy?

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  13. Define gravitational potential energy. Write the formula for it.

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  14. What is escape velocity? Obtain an expression for it.

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  15. Define escape velocity.

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  16. Explain the term escape velocity.

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  17. Write a short note on escape velocity.

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  18. Using the law of conservation of energy, obtain the expression for the...

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  19. Express escape velocity in terms of g and R.

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  20. Express escape velocity in terms of g, R and rho (the earth's densit...

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