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Sahay Sir > Question Answers > MTG NEET Physics > Part 1 > Chapter 3 - Motion in One Dimension > A 130 m long train is moving in up direction with speed 72 km/hr. Another train of 120 m long is moving in down direction with speed of 108 km/hr . The time in which second train crosses the first train will be

A 130 m long train is moving in up direction with speed 72 km/hr. Another train of 120 m long is moving in down direction with speed of 108 km/hr . The time in which second train crosses the first train will be

A stone mass M thrown straight up with initial velocity V reaches a height H. A second stone of mass 2M is thrown straight up with an initial velocity 2V. will be its height