Question

express the following speed in kh/hr Q (1 ) 20m/s
give me answer step by step instructions solsoun ​
please give answer

Answer 1

We know

1Km=1000m»1m=10^-3km

1hr=60*60sec=3600sec»1 sec=1/3600 hr

20m/s= 20*10^-3/(1/3600)=20*3600/1000

20*18/5=72km/hr.

Hope it helps✌

Answer 2

Answer:

express the following speed in kh/hr Q (1 ) 20m/s

give me answer step by step instructions solsoun

please give answer