If an object is not at Absolute Zero, then it is
absorbing and radiating thermal (heat) energy.
Answer:
(3) Both extensional as well as compressional strain is produced
Explanation:
Bodies in space traveled in circles.
The planets revolved around the Earth.
Atoms of the same element having equal numbers of protons, but different numbers of neutrons is called isotope.
Answer:
The volume of copper is 2.198 ml
Explanation:
Given;
mass of copper, m = 20 g
density of copper, ρ = 9.1 g/ml
Density is given by;
Density = mass / volume
Volume = mass / density
Volume = (20 g) / (9.1 g/ml)
Volume = 2.198 ml
Therefore, the volume of copper is 2.198 ml