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Two cars A and B cross a point P with ve...

Two cars `A` and `B` cross a point `P` with velocities `10m//s` and `15m//s`. After that they move with different uniform accelerations and the car `A` overtakes `B` with a speed of `25ms^(-1)`. What is velocity of `B` at that instant?

A

`20 ms^(-1)`

B

` 25 ms^(-1)`

C

` 30 ms^(-1)`

D

` 40 ms^(-1)`

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A
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