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.
Answer:
<u><em>A. wavelength</em></u>
Explanation:
The others are about sound and how high it is. That has nothing to do with time.
Answer:
Explanation:
- We have to make a hollow sphere of inner radius
and outer radius 
.
Then the mass of the material required to make such a sphere would be calculated as:
Total volume of the spherical shell:
And the volume of the hollow space in the sphere:
Therefore the net volume of material required to make the sphere:
- Now let the density of the of the material be
.
<u>Then the mass of the material used is:</u>
Answer:
nothing will happen the cart will be broken or as it is
Answer:
La carrera es importante para ganarse la vida, el respeto en la sociedad y cumplir el sueño.
Explanation:
La carrera es importante por las siguientes razones principales
a) Es una forma de ganar para alimentarse a sí mismo y a su familia y asegurar su futuro.
b) Permite ser considerado como una persona respetable en la sociedad.
c) Es importante ya que también brinda la oportunidad de cumplir el sueño.
