Constant acceleration

  • Thread starter VICKZZA
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  • #1
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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?
 

Answers and Replies

  • #2
22
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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
 
  • #3
1,198
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Answer in the book is correct.
 
  • #4
berkeman
Mentor
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10,142

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?

Please show your work so that we can help you.
 

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