Two cars leave one after the other and travel with and acceleration of 0.4ms−2 . Two minutes after the departure of the first car, the distance between them becomes 1.90 km. The time interval between their departures is

April 11, 2022

by Ezee_Notes

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Physics Problems

Question : Two cars leave one after the other and travel with and acceleration of 0.4ms−2 . Two minutes after the departure of the first car, the distance between them becomes 1.90 km. The time interval between their departures is

(A) 50 s

(B) 60 s

(D) 80 s

Answer : option (A)

Solution :

Two cars leave one after the other and travel with and acceleration of 0.4ms−2 . Two minutes after the departure of the first car, the distance between them becomes 1.90 km. The time interval between their departures is