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Author Question: Samantha pushes a 60-N crate up a ramp 20.0 m in length and inclined at 10 with the horizontal. What ... (Read 312 times)

Destiiny22

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Samantha pushes a 60-N crate up a ramp 20.0 m in length and inclined at 10 with the horizontal. What potential energy change does the crate experience?
 a. 1200 J
  c. 600 J
  b. 210 J
  d. 300 J

Question 2

A 4-mol ideal gas system undergoes an adiabatic process where it expands and does 28 J of work on its environment. What is its change in internal energy?
 a. 28 J
  c. zero
  b. -28 J
  d. -7 J



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cupcake16

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Answer to Question 1

B

Answer to Question 2

B




Destiiny22

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Reply 2 on: Jul 28, 2018
Wow, this really help


Kedrick2014

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

 

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