1.

Convert each of the following speed into m/sec: (i) 72 km/hr  = 72 X 5/18= 20 m/s     (ii) 12.6 km/hr       (iii) 23.4 km/hr                  ​

Answer»

-STEP EXPLANATION:II) 12.6 × 5/18 = 3.5m/siii) 23.4 ×5/18 = 1.3×5=6.5m/s



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