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Author Question: A ball is thrown straight up into the air. Its position at 7 instants of time are shown below; the ... (Read 19 times)

itsmyluck

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on: Jul 28, 2018
A ball is thrown straight up into the air. Its position at 7 instants of time are shown below; the maximum height is reached at position 4. At which of the labeled points is the speed of the ball largest?
 
  1.point 1
  2.point 2
  3.point 3
  4.point 4
  5.point 5
  6.point 6
  7.point 7
  8.exactly 2 of the points shown
  9.more than 2 of the points shown
  10.impossible to determine

Question 2

A ball is thrown straight up into the air. Its position at 7 instants of time are shown in the figure; the maximum height is reached at position 4. At which of the labeled points is the acceleration of the ball smallest?
 
  1.point 1
  2.point 2
  3.point 3
  4.point 4
  5.point 5
  6.point 6
  7.point 7
  8.exactly 2 of the points shown
  9.more than 2 of the points shown
  10.impossible to determine


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joshbk44

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

1,8

Answer to Question 2

7,9


itsmyluck

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  • Posts: 546
Reply 2 on: Jul 28, 2018
Excellent

lindahyatt42

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  • Posts: 322
Reply 3 on: Yesterday
Wow, this really help

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