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Express escape velocity in terms of g an...

Express escape velocity in terms of g and R.

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Escape velocity, `v_("esc")=sqrt((2GM)/(R))`
Now, `g=(GM)/(R^(2))`
`thereforeGM=gR^(2)`
`therefore v_("esc")=sqrt((2gR^(2))/(R))=sqrt(2gR).`
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NAVNEET PUBLICATION - MAHARASHTRA BOARD-GRAVITATION -Answer the following questions :
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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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  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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