When and where will the police car intercept the stolen car?

[VICKZZA]

Homework Statement

A stolen car,travelling at constant speed of 40m/s,passes a police car in a lay-by.The police car sets off three seconds later,accelerating uniformly at 8m/s^2.How long does the car take to intercept the stolen car and how far from the lay-by does this happen?

 

[VICKZZA]

i have done the same thing but answer is still not matching with the book.the anwer in my book is 12.4seconds and 617m distance

 

[LawrenceC]

Answer in the book is correct.

 

[berkeman]

Homework Statement

A stolen car,travelling at constant speed of 40m/s,passes a police car in a lay-by.The police car sets off three seconds later,accelerating uniformly at 8m/s^2.How long does the car take to intercept the stolen car and how far from the lay-by does this happen?

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