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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 positions 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

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The correct Answer is:
D
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AAKASH SERIES-MOTION IN A STRAIGHT LINE-Exercise -2
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