Answer:
work done would be I don't know
The volume of a cube is given by s^3. So the volume of this block is 3cm x 3cm x3 cm = 27 cm^3.
density = mass/volume =27 g / 27 cm^3 = 1 g/cm^3.
the answer is 1 g/cm^3. I hope this helps!
atom is the smallest unit of an element that can or cannot exist freely. While on the other hand, a molecule is a set of atoms that are held together with the help of a bond and is the smallest unit of a compound. Furthermore, an atom can or cannot exist in a free state.
Protons neutrons <span>and </span><span>electrons</span>
If the ball is made of any magnetic metals (Iron, Nickel, Cobalt) It's 3.
But if it's made of something else without any magnetic force it's 2.