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A train A moves with a unifrom velocity ...

A train A moves with a unifrom velocity of `60 kmh^(-1)` another train B moves in the same direation with a unifrom velocity of `80 kmh^(-1)`(a) wghat is the relactive velocity of a with respect to B? (b) what is the relative velocity of B with respect to A ?

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The correct Answer is:
` - 20 kmh^(-1) , 20 kmh ^(-1)`
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