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| 1. |
\tA vehicle moving with a speed of 72km/h cover distance in m/sec equal to...................? |
| Answer» 1 hour = 3600s\xa01 Km = 1000 mdistance covered in 3600 seconds = 72000mDistance covered in 1 second =\xa0{tex}{72000\\over 3600 } = 20m{/tex}So it is 20m/s | |