Question

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 1

Step-by-step explanation:

ii) 12.6 × 5/18 = 3.5m/s

iii) 23.4 ×5/18 = 1.3×5=6.5m/s

Answer 2

Answer:

1) 20m per s

2) 3.5 m per s

3) 6.5 m per s