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Two cars P and Q start from a point at t...

Two cars P and Q start from a point at the same time in a straight line and their position are represented by `x_(p)(t)=at+bt^(2)` and `x_(1)(t)=ft-t^(2)`.At What time do the cars have the same velocity ?

A

`(a-f)/(1+b)`

B

`(a+f)/(2(b-1))`

C

`(a+f)/(2(1+b))`

D

`(f-a)/(2(1+b))`

Text Solution

Verified by Experts

The correct Answer is:
D
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