a car travels to a distance of 100km at a velocity of 20m/s. if it returns to the starting point at a velocity of 30m/s, then the total time taken by the car to complete the journey is
Answers
Answered by
0
time taken to travel the first 100 km = 100/20= 5 sec
time taken to travel the second 100 km= 100/30=3.33 sec
total time taken = 5+3.33=8.33
time taken to travel the second 100 km= 100/30=3.33 sec
total time taken = 5+3.33=8.33
Similar questions