Question

A car 2m long travelling at 30ms overtakes another car 4m long travelling at 20ms.The time taken by first car to pass the second car is

Answer 1

Relative speed between both the cars is (60-42) = 18 km/hr = 5 m/s

 

both the cars have length 5 m, hece to cross completely required distance to be travelled is 10 m.

 

hence time taken to overtake = 10/5 = 2 seconds.

 

distance travelled by the overtaking car =

Answer 2

Answer:

the answer is 0.6 seconds