Question

two cars are moving in the same direction with the same speed of 30km/h.they are seperated by a distance of 5 km. what is the speed of car moving in the opposite direction if it meets these two cars at an intervel of 4 minutes​

Answer 1

Answer:105km/hr

Explanation: first calculate the speed required to complete 5km in 4min

Which is = 5/4/60 (4min=4/60hr)

=75km/ hr

Now add the the speed of tother car

75+30

=105