Question

the adometre of a car reads 2000 km at start and 2400km at the end if the trip took 480min calculate the average speed if the car in km nore and metre per second

Answer 1

Distance travelled =2400-2000=400 km
time taken = 480 min or 8 hr
Av.speed = D/T
= 400/8=50 kmph
50 kmph = 50 *5/18 = 13.8 m/s