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Author Question: Amy, Brad, and Cate are walking (or running) along a straight line as shown below. ... (Read 149 times)

moongchi

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  • Posts: 516
on: Jul 28, 2018

Amy, Brad, and Cate are walking (or running) along a straight line as shown below.
 
   
   
 
   
 
   During which 1-second time period(s) are there
   at least two people with the same speed?


  1.01 s
  2.12 s
  3.23 s
  4.34 s
  5.45 s
  6.56 s
  7.None of the time intervals
  8.Two of the time intervals
  9.Three of the time intervals
  10.Four or more of the time intervals

Question 2

Amy, Brad, and Cate are walking (or running) along a straight line as shown below.
 
   



jazzlynnnnn

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Reply #1 on: Jul 28, 2018
Answer to Question 1

9

Answer to Question 2



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