Motion in A Straight Line

Question: Two trains, each 50 m long are travelling in opposite direction with velocity 10 m/s and 15 m/s. The time of crossing is

1) \[2s\]

2) \[4\,s\]

3) \[2\sqrt 3 s\]

4) \[t = \frac{{{\nu _1} - {\nu _2}}}{a}\]

Solution:

Explanation: Explanation

Relative Motion

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