Question

Two trains are moving in opposite directions . Train A moves East with a speed of 20 m/s² and train B moves West with a speed of 30 m/s .
1) what is the relative velocity of B with related to A
2) The relative velocity of ground with related to B
A monkey is running on the roof of a train A with against motion with velocity 10m/s with related to A . What is the velocity of monkey as observed by man standing on the ground ?


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Answer 1

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Answer 2

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Velocity of train "A" moving east is 20 m/s. Velocity of train "B" moving west is 30 m/s. As they are moving in east and west direction which is directly opposite to each other. As compared to velocity of train A is negative as it moves in opposite direction.

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