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Author Question: In a relay race, runner A is carrying the baton and has a speed of 3.4 m/s. When he is 25 m behind ... (Read 60 times)

Kikoku

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on: Jul 29, 2018
In a relay race, runner A is carrying the baton and has a speed of 3.4 m/s. When he is 25 m behind the starting line, runner B starts from rest and accelerates at 0.140 m/s2. How fast is B traveling when A overtakes her?
 
  A)
 
  0.10 m/s
  B)
 
  0.33 m/s
  C)
 
  1.3 m/s
  D)
 
  2.0 m/s
  E)
 
  A never catches up.

Question 2

In a relay race, runner A is carrying the baton and has a speed of 3.00 m/s. When he is 25.0 m behind the starting line, runner B starts from rest and accelerates at 0.100 m/s2.
 
  How long afterwards will A catch up with B to pass the baton to B? A)
 
  5.17 s
  B)
 
  10.0 s
  C)
 
  11.9 s
  D)
 
  20.4 s
  E)
 
  A never catches up.


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kthug

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Reply #1 on: Jul 29, 2018
Answer to Question 1

C

Answer to Question 2

B


Kikoku

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Reply #2 on: Jul 29, 2018
Both answers were spot on, thank you once again


kthug

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Reply #3 on: Jul 29, 2018
Great! Please up vote :D


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