Question

3.Convert into m/s (2) (a) 72 km/h

(b)18 km/h​

Answer 1

Answer:

(a) 72 km/h- 72×5/18= 45 m/s

(b)18 km/h- 18× 5/18 = 5 m/s

Answer 2

Answer:

1. 72Km/h = 72 × 5/18 m/sec = 20m/sec
2. 18km/h = 18 × 5/18 m/sec = 5m/sec