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Author Question: A 5.00 kg ball falls from a 2.00 m-high shelf. Just before hitting the floor, what will be its ... (Read 90 times)

c0205847

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on: Jul 28, 2018
A 5.00 kg ball falls from a 2.00 m-high shelf. Just before hitting the floor, what will be its kinetic energy? (g = 9.80 m/s2 and assume air resistance is negligible)
 a. 98.0 J
  c. 19.6 J
  b. 49.0 J
  d. 10.0 J

Question 2

In an isobaric process 3.6  104 J of work is done on a quantity of gas while its volume changes from 2.3 m3 to 1.1 m3 . What is the pressure during this process?
 a. 1.2  104 Pa
  c. 3.0  104 Pa
  b. 2.4  104 Pa
  d. 8.3  104 Pa


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essyface1

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

A

Answer to Question 2

C


c0205847

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Reply #2 on: Jul 28, 2018
Both answers were spot on, thank you once again


essyface1

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Reply #3 on: Jul 28, 2018
Great! Please up vote :D


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