The properties of a rectangular prism are listed below: density = 120 g/cm3 length = 4 cm width = 2 cm height = 1 cm what is the mass of the rectangular prism? 15 g 45 g 960 g 980 g

mass = 960 g

Explanation:

The rectangular prism have a density, length , width and height. We are asked to calculate the mass of the rectangular prism from the data given above.

The density of an object measures the mass of the object to it volume. Mathematically, density is the mass of an object divided by it volume. It is represented as follows;

density = mass/volume

The density of the prism is known from the data given but the volume is not given . Base on the data given, one could compute volume of the rectangular prism.

volume of a rectangular prism = Length × width × height

length = 4cm

width = 2cm

height = 1cm

volume of a rectangular prism = 4 × 2 × 1

volume of a rectangular prism = 8cm³

Since the volume is known the mass can be computed from the density formula.

density = mass/volume

mass = density × volume

density = 120 g/cm³

volume =  8cm³

mass = 120 × 8

mass = 960 g

conservation of mass

mass before something happens = mass afterwards