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A stone is dropped from a height of 20 m...

A stone is dropped from a height of 20 m .
(i) How long will it take to reach the ground?
(ii ) What will be its speed when it hits the ground? `(g= 10 m//s^2)`

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The correct Answer is:
(i) 2s (ii) 20 m/s
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LAKHMIR SINGH & MANJIT KAUR-GRAVITATION-Exercise
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  3. A stone is dropped from a height of 20 m . (i) How long will it take...

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  6. Write the differences between mass and weight of an object.

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  7. Can a body have mass but no weight ?

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  9. A stone resting on the groud has a gravitional force of 20 N acting on...

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  10. An oject has mass of 20 kg on earth .What will be its (i) mass and (ii...

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  11. Which is more fundamental the mass of a body or its weight ? Why ?

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