Density

Solids differ in many ways, including color, texture, and elasticity. Another important distinguishing property of solids is density

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Questions #: 9
Time: 5 minutes
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Solid density is defined as

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Mass density is defined as the ratio of

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Find the mass density of this cube

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There is a steel cube 5 cm by 5 cm by 5 cm.  Its mass (measured on a balance) is 975 grams.

  1. What is its volume? (1) cm3
  2. What is the mass density of the steel? (2) g/cm3
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Calculate the mass and the density

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The density of aluminum is 2.7 g/cm3.  Suppose you have 12 cm3 of aluminum.

  1. What is its mass? (1) g
  2. What is the mass density of a piece of aluminum 24 cm3 in volume? (2) g/cm3
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If mass is measured in kilograms and volume in cubic meters, density has units of

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Weight density

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Weight density is defined as the (1) of a substance divided by its (2) and is normally used in the British system of units

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How much does a cubic for of steel weight?

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Steel has a weight density of 488 lb/ft3.  How much does a cubic for of steel weigh?

Answer = (1)

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Weight of a block of lead

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What is the weight of a block of lead that measures 5 inches by 5 inches by 1 foot?

Note: weight density of lead is 705 lb/ft3

Answer = (1) lb/ft3

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Volume of ice

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What is the volume (in m3) of 5000 kilograms of ice?

Note: Mass density of ice = 0.92 g/cm3

Answer = (1) m3

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0
sin cos tan
sin-1 cos-1 tan-1 π e
xy x3 x2 ex 10x
y√x 3√x √x ln log
( ) 1/x % n!
7 8 9 + MS
4 5 6 – M+
1 2 3 × M-
0 . EXP ÷ MR
± RND C = MC
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