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Author Question: Which of the following is not an inertial reference frame? A) a reference frame that is ... (Read 166 times)

imanialler

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on: Jul 29, 2018
Which of the following is not an inertial reference frame?
 
  A)
 
  a reference frame that is rotating at a constant rate
  B)
 
  a reference frame that is moving downward at a constant speed
  C)
 
  a reference frame that is moving westward at 10 km/s
  D)
 
  a reference frame that is motionless
  E)
 
  a reference frame that is moving upward at a constant speed

Question 2

Suppose that a car traveling to the East (+x direction) begins to slow down as it approaches a traffic light. Make a statement concerning its acceleration.
 
  A)
 
  The car is decelerating, and its acceleration is positive.
  B)
 
  The car is decelerating, and its acceleration is negative.
  C)
 
  The acceleration is zero.
  D)
 
  The car is accelerating, and its acceleration is positive.
  E)
 
  The car is accelerating, and its acceleration is negative.


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Kdiggy

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

A

Answer to Question 2

B


imanialler

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Reply 2 on: Jul 29, 2018
Wow, this really help

xiaomengxian

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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