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Author Question: Which of the following equations can be used to calculate the pressure exerted by a liquid? a. ... (Read 43 times)

jasdeep_brar

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on: Jul 16, 2018
Which of the following equations can be used to calculate the pressure exerted by a liquid?
 
  a. Liquid pressure = liquid depth  liquid density
  b. Liquid pressure = liquid depth  surface area
  c. Liquid pressure = liquid density  liquid viscosity
  d. Liquid pressure = liquid density  liquid depth

Question 2

What term is used for the transfer of heat by the direct interaction of atoms or molecules in a hot area with atoms or molecules in a cooler area?
 
  a. Radiation
  b. Convection
  c. Condensation
  d. Conduction


Ashley I

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Reply #1 on: Jul 16, 2018
Answer to Question 1

ANS: D
The pressure exerted by a liquid depends on both its height (depth) and weight density (weight per unit volume), which is shown in equation form:
PL = h  dw.

Answer to Question 2

ANS: D
Conduction is the transfer of heat by direct contact between hot and cold molecules.


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