Question

the speed of 45 metre per second when converted into kilometre per hour​

Answer 1

Step-by-step explanation:

Theres 1000m in a km, and 3600s in an hour (60 min * 60 sec/min)

so with 45m/s

45m/s * 1km/1000m = 0.045km/s

0.045 km/s * 3600s/h = 162km/h