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Author Question: A projectile is fired from ground level at an angle of 40.0 above horizontal at a speed of 30.0 m/s. ... (Read 177 times)

Mr. Wonderful

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on: Jul 29, 2018
A projectile is fired from ground level at an angle of 40.0 above horizontal at a speed of 30.0 m/s. What is the speed of the projectile when it has reached a height equal to 0.500 of its maximum height?
 
  A)
 
  26.0
 
  B)
 
  27.4
 
  C)
 
  28.7
 
  D)
 
  26.7
 
  E)
 
  28.1

Question 2

Consider three drinking glasses. All three have the same area base, and all three are filled to the same depth with water. Glass A is cylindrical. Glass B is wider at the top than at the bottom, and so holds more water than A.
 
  Glass C is narrower at the top than at the bottom, and so holds less water than A. Which glass has the greatest liquid pressure at the bottom? A)
 
  Glass A
  B)
 
  Glass B
  C)
 
  Glass C
  D)
 
  All three have equal non-zero pressure at the bottom.
  E)
 
  All three have zero pressure at the bottom.


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courtney_bruh

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

D

Answer to Question 2

D


Mr. Wonderful

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


courtney_bruh

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


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