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Author Question: Florence, who weighs 120. lbs, stands on a bathroom scale in an elevator. What will the scale read ... (Read 80 times)

tnt_battle

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on: Jul 27, 2018
Florence, who weighs 120. lbs, stands on a bathroom scale in an elevator. What will the scale read when the elevator is accelerating downward at 2.0 m/s2?
 
  A) 86. lb
  B) 1.4  102 lb
  C) 1.2  102 lb
  D) 96. lb
  E) 1.56  102 lb

Question 2

A submarine rests on the sea bottom. The normal force exerted upon the sub by the sea-floor is equal to
 
  A) the buoyant force less 1 atmosphere acting on the sub.
  B) the weight of the sub plus the weight of the displaced water.
  C) the weight of the sub.
  D) the weight of the sub less the weight of the displaced water.
  E) the weight of the displaced water.


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Bison

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Reply #1 on: Jul 27, 2018
Answer to Question 1

D

Answer to Question 2

D


tnt_battle

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Reply 2 on: Jul 27, 2018
Great answer, keep it coming :)

upturnedfurball

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

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