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Author Question: A car travels around an oval racetrack at constant speed. The car is accelerating a. at ... (Read 685 times)

joesmith1212

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on: Jul 28, 2018

A car travels around an oval racetrack at constant speed. The car is accelerating
 
   


   
  a.
  at all points except B and D.
   
  b.
  at all points except A and C.
   
  c.
  at all points except A, B, C, and D.
   
  d.
  everywhere, including points A, B, C, and D.
   
  e.
  nowhere, because it is traveling at constant speed.

Question 2

Two balls, projected at different times so they don't collide, have trajectories A and B, as shown below.
 
   
 
   Which statement is correct?


   
  a.
  v0B must be greater than v0A.
   
  b.
  Ball A is in the air for a longer time than ball B.
   
  c.
  Ball B is in the air for a longer time than ball A.
   
  d.
  Ball B has a greater acceleration than ball A.
   
  e.
  Ball A has a greater acceleration than ball B.


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huda

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

d

Answer to Question 2

c


joesmith1212

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


huda

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


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