A pure substance is a substance that is made with only one type of molecule
The image formed by a concave mirror with the object placed at the center of curvature is real inverted and formed at the center of curvature. Using the ray diagram a ray from the top of the object to the mirror through f then reflected parallel to the principal axis,then the ray through the center of curvature reflected through the same point both intersect at a plane through center curvature and perpendicular to the principal axis. The point of intersection forms the top of the image and the center of curvature forms the bottom. Therefore, the correct choices are : real and inverted
Answer:
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Explanation:
Answer: The soil will be
warmer than the water.
Explanation:
The heat (thermal energy) absorbed can be found using the following equation:
Where:
is the heat
is the mass of the element
is the specific heat capacity of the material.
is the variation in temperature
<u>In the case of soil we have:</u>
(1)
Where:


<u>In the case of water we have:</u>
(2)
Where:


Isolating
from both equations:
(3)
(4)
(5)
(6)
Comparing (4) and (6) we can find the soil will be
warmer than the water.