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Author Question: A steady horizontal force lasting for 2.1 s causes a 1.25 kg object to accelerate at 3.2 m/s2 on a ... (Read 54 times)

a0266361136

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on: Jul 29, 2018
A steady horizontal force lasting for 2.1 s causes a 1.25 kg object to accelerate at 3.2 m/s2 on a frictionless table. What impulse does this force exert on the object?
 
  A) 26 kg  m/s
  B) 11 kg  m/s
  C) 8.4 kg  m/s
  D) 2.6 kg  m/s

Question 2

The force of air impact upon the sail of a boat is greater if the air
 
  A) bounces upon impact.
  B) encounters the sail head-on.
  C) encounters the sail at a grazing angle.


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scrocafella

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

C

Answer to Question 2

Answer: B


a0266361136

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Reply 2 on: Jul 29, 2018
Excellent

yeungji

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Reply 3 on: Yesterday
Gracias!

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