Question

how to slove question answered no. 6,7,11

Answer 1

6 ,. 7pm to 6 am = 11 hour
take 1h rest , so remaining time = 10h

speed = 710/10 = 71km/h





for convert into m/s multiples by 5/18

eg , 36km/h = 36×5/18 = 10 m/s

Answer 2

Convert them into m/s