a train cover a distance of 670 km in 6h5min. if it covers the first 390km of the journey at 90km /h , find its speed for the rest of the journey.
Answers
Answered by
10
Step-by-step explanation:
Total distt covrred=670km
total time taken=6hr 5min
1. 390 km
speed=90kmper hr
390/90=13/3hr=3hr and 20 min
rest time left= 6 hr 5 min-3hr 20 min=2hr 45 min
dist left=670km-390km= 280km
speed =dist/time
=280/2.45
8/7m per sec
hope this help u and tap thanks and mark brainliest plzzzz....
Similar questions