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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 322 times)

Destiiny22

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

B

Answer to Question 2

B


Destiiny22

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Reply 2 on: Jul 28, 2018
Excellent

bbburns21

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Reply 3 on: Yesterday
Gracias!

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