Question

a sphere of radius 1.4m weigh 500kg. Calculate the density of material​

Answer 1

Answer:

FIRST THE FORMULA OF

DENSITY:

$p \: = \frac{mass}{volume}$

________________________________________________

DENSITY OF THE

MATERIAL:

$p \: = \frac{500 \: kg}{1.4}$

$p \: = 357.142857143$

$p \: = approx \: 357 \: is \: the \: density$

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Answer 2

Explanation:

We know that Density = Mass / Volume

Volume of sphere = 4/3 pi r³

Radius of sphere = 1.4m = 140cm

Volume of sphere = 4/3 × 22/7 × (1.4m)³

= 11.5 m³

Mass of sphere = 500kg

Density = 500kg / 11.5 m³ = 43.5 kg/m³(Approx.)

1 g/cm³ = 1000kg/m³

So 43.5 kg/m³ = 0.0435 g/cm³

So the sphere has density of 43.5 kg/m³ or 0.0435 g/cm³..

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