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A man throws a ball vertically upwards w...

A man throws a ball vertically upwards with a velocity of `20ms^-1`. After what time will the ball come back to his hands?

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MODERN PUBLICATION-GRAVITATION-EXAMPLE
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  2. A particle is thrown up vertically with a velocity of 50 m/s. What wil...

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  3. A particle is thrown up vertically with a velocity of 50 m/s. How high...

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  4. A particle is thrown up vertically with a velocity of 50 m/s. What tim...

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  5. A ball is thrown upwards from the top of a tower 40 m high with a velo...

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  6. An object is relased from a height. Find its speed at t = 1s

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  7. An object is relased from a height. Find its speed at t = 2 s

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  8. An object is relased from a height. Find its speed at t = 3s

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  9. State the universal law of gravitation.

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  10. Write the formula to find the magnitude of gravitational force between...

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  11. What is meant by free fall ?

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  12. What do you mean by acceleration due to gravity?

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  17. If the moon attracts the earth, why does the earth not move towards th...

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  18. What happens to the force between two objects, if the mass of one obje...

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  19. What happens to the force between two objects, if the distance between...

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  20. What happens to the force between two objects, if the masses of both o...

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  21. What is the importance of universal law of gravitation?

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