Answer:
The sum of the potential energy and kinetic energy of a body or system An example of mechanical energy is the power of a football flying through the air.
Explanation:
I took a test.
The brightness and intensity of a color are defined by its saturation. To lower the saturation of a pigment hue, both white and black (grey) are added to the color.
What does saturation mean in color?
- The quantity of white light blended with a colour is referred to as saturation.
- Colors with high saturation, such as the circle on the left, contain little or no white light. The quantity of shade blended with the color determines the level of brightness.
- The wavelengths of light that an item reflects determine its 'color.' This is governed by the arrangement of electrons in the atoms of that substance, which will absorb and re-emit photons of different energy in accordance with intricate quantum principles.
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Answer:
(a) see attachment below
(b) see attachment below
(c) the average velocity in part (a) is a better estimate than that in part (b) because it was calculated for a shorter time interval compared to part (b). The basically definition of instantaneous velocity is that it is the limit of the average velocity as the time interview approaches zero (that is as the time interview becomes smaller and smaller). In other words the shorter the time interview the better the accuracy of the result.
(d) see attachment below.
Explanation:
Check the attachment below for the full solution of this problems.
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<span>The distance between the sources of a two point surface
interference determines the number of lines that can be created for the nodal
and anti-nodal lines. When the sources are moved closer together, the number of
lines becomes minimal. Thus, the spaces between the lines become bigger. The
answer to this item is letter A. The spacing increases. </span>
