Answer:

Explanation:
The period of a physical pendulum is:



The length of the leg is approximately the height of the person:

The period is:


Heat can be transferred from one place to another by three methods:
conduction in solids,
convection of fluids (liquids or gases),
radiation through anything that will allow radiation to pass.
A believe that’s called a reference point.
Number 4 I think
the atomic mass is 11 because the mass is the sum of protons and neutrons
Answer:
I don't know the answer I hope you find it tho good luck##