Question

A rock has volume 20cm cube and mass 60g. Find the density of the rock. ​

Answer 1

Answer:

0.3kg/m

Explanation:

Density= mass/ volume

=0.06kg/0.2m

=0.3kg/m

Answer 2

Given :-

• Volume of the rock = 20cm³
• Mass of the rock = 60g

To find :-

• Density of rock

Solution :-

• 1m³ = 1000000cm³

→ Volume of rock

→ 20 × 1/1000000

→ 2/100000 = 0.00002

• 1kg = 1000g

→ Mass of rock

→ 60/1000

→ 6/100 = 0.06

As we know that

→ Density = Mass/Volume

→ Density = 0.06/0.00002

→ Density = 3000kg/m³

Hence,

• Density of rock the is 3000kg/m³