Question

A copper lump displaces 100 mL of water
in a measuring cylinder. If the density of
copper is 8400 kg m-3, find the mass of
the lump​

Answer 1

Answer:

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100ml = 0.0001m³

As we know,

ρ = m/v

Where, ρ = density.

∴m = ρ × V

∴m = 8400 × 0.0001

∴m = 0.84kg

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Answer 2

QUESTION:

A copper lump displaces 100 mL of waterin a measuring cylinder. If the density ofcopper is 8400 kg m-3, find the mass of the lump

SOLUTION:

We know that,

• 100ml = 0.0001m³

As we know,

• ρ = m/v

Where, ρ = density

∴m = ρ × V

∴m = 8400 × 0.0001

∴m = 0.84kg

ADDITIONAL INFORMATION:

Density is a basic and fundamental concept in physics and engineering. Furthermore, it has a strong relationship with the mass of an object. Moreover, this measurement is essential in determining whether something would float or not on a fluid’s surface. Density is certainly one of the most important details you can know about an object.