Question

Find the mass of an ice cube of edge 2cm. The density of ice is 9000 kg /m3

Answer 1

Answer:

Mass of ice cube = 72g

Explanation:

Edge length = a = 2cm = 0.02m

Volume = V = a³ = (2×10⁻²)³ = 8×10⁻⁶ m³

Density = ρ = 9000 kg/m³

We know that,

Density = Mass/Volume

ρ = M/V

Therefore,

Mass = Density * Velocity

M = ρV

M = 9000×8×10⁻⁶

M = 72000×10⁻⁶

M = 0.072 kg

M = 72g