MCQOPTIONS
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MCQOPTIONS
| 1. |
If a train travelling at \[20\text{ }m/s\] is to be brought to rest in a distance of 200 m, then its retardation should be |
| A. | \[1\text{ }m/{{s}^{2}}\] |
| B. | \[2\text{ }m/{{s}^{2}}\] |
| C. | \[10\text{ }m/{{s}^{2}}\] |
| D. | \[20\text{ }m/{{s}^{2}}\] |
| Answer» B. \[2\text{ }m/{{s}^{2}}\] | |