if a glass contains 42 ml of water and 20 g metal object placed in the glass causes the water level to rise by 15 ml what is the density of the metal object?

Answers

Answer 1
first of all we will have to know the volume of the metal so (47-15) which is 27 so the metals volume is 27 ml
next we have to get the density
Density = mass / volume
so we will divide the mass which is 20g by the volume which is 27 ml, we get 0.7 g/cm3 which is the density of the metal
So basically
(Density of the metal is 0.7 g/cm3)

Plz mark Brainliest & i hope this helps !!
Answer 2

The density of the metal object is 0.74 gm/[tex]cm^{3}[/tex] .

What is density?

Density describes how compact or concentrated something is. For example, suppose you have two boxes, one large and one small. However, they both weigh the same. That means the small box has a higher density than the large box.

The density, of a substance is its mass per unit volume. The symbol most often used for density is ρ, although the Latin letter D can also be used.

According to the question

Volume of Glass contains water and metal object   = 42 ml

Mass of metal object in glass = 20g

metal object placed in the glass causes the water level to rise by  =15 ml

Volume of metal = 42ml - 15 ml

                            = 27 ml

Now,

Density of metal object = [tex]\frac{Mass}{v\\olume}[/tex]

                                       =  [tex]\frac{20}{27}[/tex]

                                       = 0.74 gm / ml

As,   1ml = 1[tex]cm^{3}[/tex]

Therefore ,

Density of metal =  0.74 gm/[tex]cm^{3}[/tex]

Hence, The density of the metal object is 0.74 gm/[tex]cm^{3}[/tex] .

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