Question

. A car moves with a speed of 80km/h for 15min and then with the speed of 60km/h for the next 15 min. The total distance covered by the car is______. *

Answer 1

total distance = 80+60

140km/h

140×5/18

38.88m/s

total time= 30 min or 1800 sec

d= st

d= 38.88×1800

d=69984m