the image below to answer question 2.
1
4 cm
3 cm
7 cm
2. The block shown above has a mass of 105 g.
What is the density of the block? sc.8.P.8.3
A 0.80 g/cm3
1.25 g/cm3
7.50 g/cm3
21.0 g/cm3
C
D

Respuesta :

Lanuel

The density of the block is 1.25 [tex]g/cm^3[/tex]

Given the following data:

  • Length of block = 3 cm
  • Width of block = 4 cm
  • Height of block = 7 cm
  • Mass of block = 105 grams.

First of all, we would determine the volume of the block.

[tex]Volume \;of \;block = length[/tex] × [tex]width[/tex] × [tex]height[/tex]

[tex]Volume \;of \;block = 3[/tex] × [tex]4[/tex] × [tex]7[/tex]

Volume of block = 84 [tex]cm^3[/tex]

To find the density of the block;

Density is mass per unit volume of an object such as a block.

Mathematically, the density of an object is calculated by using the formula;

[tex]Density = \frac{Mass}{Volume}[/tex]

Substituting the values into the formula, we have;

[tex]Density = \frac{105}{84}[/tex]

Density = 1.25 [tex]g/cm^3[/tex]

Therefore, the density of the block is 1.25 [tex]g/cm^3[/tex]

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