MCQOPTIONS
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| 1. |
A boy standing at the top of a tower of 20 m height drops a stone. Assuming \[g=10\text{ }m{{s}^{-2}}\], the velocity with which it hits the ground is |
| A. | \[10.0\,m/s\] |
| B. | \[20.0\,m/s\] |
| C. | \[40.0\,m/s\] |
| D. | \[5.0\,m/s\] |
| Answer» C. \[40.0\,m/s\] | |