MHT CET 2023 Physics question

Physics Motion in a Plane MHT CET 2023

Two trains each 30m long are travelling in opposite direction with velocities 5 m/s and 10 m/s. They will cross after

(A)4 sCorrect
(B)3 s
(C)2 s
(D)1

Answer: (A)

Solution

For trains moving in opposite directions the relative velocity is the sum of the speeds: . To cross completely, the trains must together cover a distance equal to the sum of their lengths: . Time of

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Question ID VK-095105