The dimension of the rectangular metal bar are 6cm * 8cm * 9cm. If the ba has a mass of 4kg, what is the density of the bar in kg/m3?​

Respuesta :

The density of the bar in kg/[tex]m^{3}[/tex] is 9259.26 kg/[tex]m^{3}[/tex].

Density, is the substance's mass per unit of volume.

Start with the basic density formula:

Density = mass / volume

1 m = 100 cm

1 cm = 1/100 m

To find the volume of a rectangular bar, multiply the length, width, and height:

Volume = length x width x height

Volume = 6 cm x 8 cm x 9 cm

Volume = 0.06 m x 0.08 m x 0.09 cm

Volume = 0.000432 [tex]m^{3}[/tex]

Mass = 4 kg

Density = mass / (Volume)

Substitute the values:

Density = 4 kg / ( 0.000432 [tex]m^{3}[/tex])

Density =  9259.26 kg/[tex]m^{3}[/tex]

The density of the bar in kg/[tex]m^{3}[/tex] is 9259.26.

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