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Author Question: A 50.0-g ball traveling at 22.0 m/s is bounced off a brick wall and rebounds at 21.0 m/s. A ... (Read 249 times)

Cooldude101

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on: Jul 28, 2018
A 50.0-g ball traveling at 22.0 m/s is bounced off a brick wall and rebounds at 21.0 m/s. A high-speed camera records this event. If the ball is in contact with the wall for 2.50 ms, what is the average acceleration of the ball during this time interval?
 a. 1.72E+4 m/s2
  b. 3.44E+4 m/s2
  c. 8.60E+3 m/s2
  d. 1.72E+1 m/s2
  e. 4.30E+1 m/s2

Question 2

The value of an object's acceleration may be characterized in equivalent words by which of the following?
 a. displacement
  b. rate of change of displacement
  c. velocity
  d. rate of change of velocity


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ansleighelindsey

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

a

Answer to Question 2

d


Cooldude101

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Reply 2 on: Jul 28, 2018
:D TYSM

nguyenhoanhat

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

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