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Author Question: Lonnie pitches a baseball of mass 0.500 kg. The ball arrives at home plate with a speed of 35.0 m/s ... (Read 100 times)

yoroshambo

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on: Jul 28, 2018
Lonnie pitches a baseball of mass 0.500 kg. The ball arrives at home plate with a speed of 35.0 m/s and is batted straight back to Lonnie with a return speed of 50.0 m/s. If the bat is in contact with the ball for 0.055 s, what is the impulse experienced by the ball?
 a. 7.50 N/s
  b. 42.5 N/s
  c. 773 N/s
  d. 17.5 N/s
  e. 25.0 N/s

Question 2

Jerome pitches a baseball of mass 0.300 kg. The ball arrives at home plate with a speed of 40.0 m/s and is batted straight back to Jerome with a return speed of 52.0 m/s. What is the magnitude of change in the ball's momentum?
 a. 3.60 kg/m/s
  b. 12.0 kg/m/s
  c. 15.6 kg/m/s
  d. 27.6 kg/m/s
  e. 12.0 kg/m/s


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chem1s3

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

b

Answer to Question 2

d


yoroshambo

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Reply 2 on: Jul 28, 2018
Excellent

tanna.moeller

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Reply 3 on: Yesterday
Great answer, keep it coming :)

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