Question

Two cars are moving in the opposite direction with the same speed of 30 km/h. They are separated by 5 km. after what time they will meet?​

Answer 1

Answer:

Time of meet is 5 min.

Explanation:

Let v$_{A}$ and v$_{B}$ be the velocities of cars

distance of separation s = 5 km

Relative velocity of B wrt A is  v$_{BA}$ =  v$_{B}$ - v$_{A}$ = 30 - (-30) = 60 km/hr

Time of meet t = s/v$_{BA}$ = 5/60 = 1/12 hr = 60/12 min = 5 min = 300 s