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2015-04-16T15:05:16+05:30

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Mass of the ball = 1.8 kg
volume = 250cc = 250 cm³

1m³ = 10⁶ cm³
So 1cm³ = 10⁻⁶ m³
250cm³ = 250×10⁻⁶ m³= 2.5×10⁻⁴ m³

So volume = 2.5×10⁻⁴ m³

Density = mass/volume = 1.8/2.5×10⁻⁴  kg/m³ = 7.2×10³ kg/m³
Density of metal is 7.2×10³ kg/m³ or 7200 kg/m³.


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