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Author Question: Driver A is cruising along enjoying the fall colors. Driver B starts her car at the instant he ... (Read 161 times)

chandani

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on: Jul 28, 2018

Driver A is cruising along enjoying the fall colors. Driver B starts her car at the instant he passes her. Their velocities are shown as functions of time in the graph below. At what instants in time on the graph are drivers A and B side by side?
 
   


   
  a.
  0 s, 2 s
   
  b.
  0 s, 4 s
   
  c.
  2 s, 4 s
   
  d.
  2 s, 6 s
   
  e.
  4 s, 6 s

Question 2

Five motion diagrams in which points represent the positions of an object at equal time intervals are shown below. Which statement is correct?
 
 
   
  a.
  A has the greatest speed and the greatest acceleration.
   
  b.
  C has decreasing speed.
   
  c.
  D slows down and then speeds up.
   
  d.
  D speeds up and then slows down.
   
  e.
  E has a greater speed than A.


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ultraflyy23

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

d

Answer to Question 2

d


chandani

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Reply #2 on: Jul 28, 2018
Both answers were spot on, thank you once again


ultraflyy23

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Reply #3 on: Jul 28, 2018
Great! Please up vote :D


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