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Author Question: A cubic meter of lead which weighs 105 N is submerged in water. The buoyant force acting on it is ... (Read 143 times)

tichca

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on: Jul 29, 2018
A cubic meter of lead which weighs 105 N is submerged in water. The buoyant force acting on it is about
 
  1) the weight of a cubic meter of water, 104 N
  2) half the weight of lead, 1/2  105 N
  3) the weight of lead, 105 N
 
  because
  4) the block loses half its apparent weight when suspended in water.
  5) the block displaces 105 N of water.
  6) the volume of water displaced is one cubic meter.

Question 2

The density of a 57-kg (126-lb) person who can float in salt water but not in fresh water is about
 
  1) 505 kg/m3 (32 lb/ft3)
  2) 1010 kg/m3 (63 lb/ft3)
  3) 2020 kg/m3 (126 lb/ft3)
  4) 4040 kg/m3 (252 lb/ft3)
 
  and has a volume of about
  5) 1 ft3.
  6) 2 ft3.
  7) 3 ft3.
  8) 4 ft3.
  9) need more information


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mtmmmmmk

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

Answer: 1, 6

Answer to Question 2

Answer: 2, 6


tichca

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Reply 2 on: Jul 29, 2018
Wow, this really help

sailorcrescent

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Reply 3 on: Yesterday
:D TYSM

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