A stone of mass 500 g is dropped from a certain height. When it is exactly at the midpoint of its free fall, the kinetic energy possessed by it is 800 J. What is the height from where it is dropped ? (Take acceleration due to gravity of earth as 10 ms |
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(a) |
320m |
(b) |
160m |
(c) |
80m |
(d) |
240m |

A stone of mass 500 g is dropped from a certain height. When it is exactly at the midpoint of its free fall, the kinetic energy possessed by it is 800 J. What is the height from where it is dropped ? (Take acceleration due to gravity of earth as 10 ms |
|||||||

(a) |
320m |
(b) |
160m |
(c) |
80m |
(d) |
240m |

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