a bus leaves manila for Bulacan at noon 50.0 km away at a constant speed covering 25.0 km in 1.25 hours. however when it was 25. km away from Manila, it had a flat tire. it takes 30 minutes to have4 the tire replaced. afterwards, the bus travels at the same rate for the rest of the trip. suppose a second bus leaves Bulacan at noon for manila at 15 km/hr, will the two buses meet? if yes, when and where will they meet? Draw the displacement versus time graph for each buses.

Question

youngster · Answer

I think you should post this in math instead.

anonymous · Answer

speed up to half way is 20km/hr and is at half way upto 1hr and 45min and takes 3 hrs to complete whole journey.
the bus 2 at speed 15km/hr takes takes 1hr and 40 min and it will take 3hrs and 20min to complete journey.
so the answer is yes these buses do meet at the half point.

anonymous · Answer

|dw:1340891185875:dw| 
bus1

anonymous · Answer

|dw:1340891382368:dw|
bus2
scal used y axis 1=30min x axis 1=10km