Question

A train starts from station P with a uniform accelration a1 for some
distance and then goes with the uniform retardation a2 for some
more distance to come to rest at station Q. The distance between P
and Q is 4km and the train takes 4 minutes to complete this journey .
if the acceleration are in km/min2 show that 1/a1 +1/a2 =2 .

for be the brainlent answer

Answer 1

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Answer 2

Explanation:

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