Question

Calculate the density of the object with the mass 59 grams and volume 7cm3 in S.I. unit

Answer 1

Answer:

d = m/v

d - density

m - mass

v - volume

d = 59 x $10^{-3}$ / 7 x $(10^{-2} )^3$

=  8.428 x $10^{3}$ = 8428 kg/$m^{3}$

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Answer 2

Given:

Mass of object,M= 59 g= 59×10⁻³ kg

Volume of object,V= 7cm³= 7×10⁻⁶m³

To Find:

Density of Object

Solution:

We know that,

• Density of a body D is given by,

$\pink{\underline{\boxed{\bf{D=\dfrac{M}{V}}}}}$

where,

M is mass of body

V is volume of body

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Let D be the density of given object

So,

$\longrightarrow\rm{D=\dfrac{M}{V}}$

$\longrightarrow\rm{D=\dfrac{59\times10^{-3}}{7\times10^{-6}}}$

$\longrightarrow\rm{D=8.429\times10^{3}\ kg/m^{3}}$

$\longrightarrow\rm\green{D=8429\ kg/m^{3}}$

Hence, the density of object is 8429 g/cm³.

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Additional Information

Density

Density is defined as the ratio of mass of substance to volume occupied by substance.

Mass

Mass is defined as the amount of matter present in the substance.