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Author Question: A large block of wood and a small block of iron each register 2000 N on a weighing scale. Taking ... (Read 293 times)

jrubin

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on: Jul 29, 2018
A large block of wood and a small block of iron each register 2000 N on a weighing scale. Taking buoyancy of air into account, which has the greater mass?
 
  A) wood
  B) iron
  C) both the same

Question 2

An umbrella tends to jerk upward on a windy day principally because
 
  A) air gets trapped under the umbrella, which warms, and rises.
  B) buoyancy increases with increasing wind speed.
  C) air pressure is reduced over the curved top surface.
  D) all of the above


elizabethrperez

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

Answer: A

Answer to Question 2

Answer: C


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jrubin

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Reply #2 on: Jul 29, 2018
Thank you!


elizabethrperez

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Reply #3 on: Jul 29, 2018
Always glad to help...


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