Question

A rectangular block of copper metal weighs 1896 g. the dimensions of the block are 8.4cm by 5.5 cm by 4.6 cm from this data ,, what is the density of copper ?​

Answer 1

mass= 1.896kg

volume = length *breadth *height

= 8.4*5.5*4.6=212.52

Density=mass/volume=1.896/212.53

≈.019

Answer 2

Answer:

The density of copper = 8.92 g/cm³

Step-by-step explanation:

Given:

• A rectangular block of copper metal weighs 1896 g.
• The dimensions of the block are 8.4 cm by 5.5 cm by 4.6 cm from this data.

To find:

• What is the density of copper ?

Solution:

We are provided with the mass of copper. First we will find volume of copper by multiplying the three dimensions given and doing basic mathematical calculations. Then, final we will calculate density (which is a quantity, mass per unit volume) by using respectively formula.

Let's find out...

• Mass of a copper = 1896 g

• Volume of a copper = 8.4 × 5.5 × 4.6
• Volume of a copper = 46.2 × 4.6
• Volume of a copper = 212.52 cm³

Finally,

♦ Density = Mass/Volume

Putting the values,

• Density of copper = 1896/212.52 g/cm³
• Density of copper = 1896 × 100/21252 g/cm³
• Density of copper = 189600/21252 g/cm³
• Density of copper = 94800/10626 g/cm³
• Density of copper = 15800/1771 g/cm³
• Density of copper = 8.92 g/cm³

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