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Author Question: A child pulls on a wagon with a horizontal force of 75 N. If the wagon moves horizontally a total of ... (Read 170 times)

krzymel

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on: Jul 29, 2018
A child pulls on a wagon with a horizontal force of 75 N. If the wagon moves horizontally a total of 42 m in 3.0 min, what is the average power generated by the child?
 
  A) 18 W
  B) 22 W
  C) 24 W
  D) 27 W

Question 2

A steady horizontal force lasting for 2.1 s gives a 1.25 kg object an acceleration of 3.2 m/s2 on a frictionless table. What impulse does this force give to the object?
 
  A) 11 kg  m/s B) 26 kg  m/s C) 2.6 kg  m/s D) 8.4 kg  m/s


abro1885

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

A

Answer to Question 2

D


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krzymel

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Reply #2 on: Jul 29, 2018
Both answers were spot on, thank you once again


abro1885

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Reply #3 on: Jul 29, 2018
Great! Please up vote :D


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