Physics, 16.12.2019 10:31 jjjxxcsenone1034

Arelative density bottle weighs 0.03kg when empty and 0.057kg when full of water. what will it weigh when full of kerosene of relative density 0.8?

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Answer from: kaykayhodge

The mass of the kerosene is, $M_{k}$ = 0.021 kg

Explanation:

Given data,

The mass of the empty density bottle, m₁ = 0.03 kg

The mass of density bottle filled with water, m₂ = 0.057 kg

The relative density of kerosene is, ρ = 0.8

$\rho = \frac{density of kerosine}{density of water}$

Density of kerosene = Density of water x relative density

= 1000 kg/m³ x 0.8

= 800 kg/m³

The mass of water in the bottle,

$M_{w}$ = m₂ - m₁

= 0.057 kg - 0.03 kg

= 0.027 kg

The volume of bottle,

$V = \frac{M_{w}}{\rho}$

$V = \frac{0.027}{1000}$

V = 2.7 x 10⁻⁵ m³

The mass of the kerosene,

$M_{k} = \rho_{k} \times V$

$M_{k}$ = 800 x 2.7 x 10⁻⁵

= 0.021 kg

Hence, the mass of the kerosene is, $M_{k}$ = 0.021 kg

Answer from: Quest

i don’t know what the answer is i wish i

Answer from: Quest

There is no graph to look at on here, but i shall explain them to you. a line graph is just in its title it’s a graph with a line running through the dots to show an increase or decrease. a bar graph is used to show how much or how little something is so a comparison. a scatter plot is used to graph points to tell the data. and i don’t know what a histogram is.

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Arelative density bottle weighs 0.03kg when empty and 0.057kg when full of water. what will it weigh...

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