Question

Express the following speeds in km per hour:
(a) 35 m per second (b) 45 m per second​

Answer 1

Answer:

35=9.7 m/s and 45=12.5 m/s

Answer 2

Answer:

(a) 126km/h

(b) 162km/h

Step-by-step explanation:

(a) 35m/s = 35 × 18/5 = 126km/h

(b) 45m/s = 45 × 18/5 = 162km/h

Hope it helps u