Question

A car travels half of the length of straight line motion with speed 16 kilometre per hour the remaining part of the distance is covered with speed 40km/hr for half of the time of remaining journey and with speed 20km/h for the other half of the time ,the average speed of the car for the entire journey is ce

Answer 1

Answer:

the remaining part of the distance is covered with speed 40km hr for half of tge time of remaining journey and with speed 20km h for the other half of the time . the average speed of the car for the entire journey .

Answer 2

Answer:

$Suppose total distance  is 2x km then</p><p></p><p>time taken in traveling the distance  first x will be t1=40x </p><p></p><p></p><p>and the time taken in traveling the distance  second x will be t2=60x </p><p></p><p>now the  average velocity can be calculated as V=total timetotal distance=40x+60x2x=40+602×40×60=48Km/h</p><p></p><p>$