MCQOPTIONS
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| 1. |
A ball of mass 2kg and another of mass 4kg are dropped together from a 60 feet tall building. After a fall of 30 feet each towards earth, their respective kinetic energies will be in the ratio of [CBSE PMT 2004] |
| A. | \[\sqrt{2}:1\] |
| B. | \[1:4\] |
| C. | \[1:2\] |
| D. | \[1:\sqrt{2}\] |
| Answer» D. \[1:\sqrt{2}\] | |