Two trains, ‘train a' and ‘train b', running in opposite directions cross a man standing on the platform in 27 seconds and 17 seconds respectively and they cross each other in 23 seconds. if speed of ‘train a' is 60 kmph; what will be speed of ‘train b'?
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from the three equations of motion you can calculate it.
if you have lakhmir singh of class 9 there is an ex also in ncert cls9 a stone is thrown vertically upward..... they meet
if you have lakhmir singh of class 9 there is an ex also in ncert cls9 a stone is thrown vertically upward..... they meet
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