Answer: aerodynamic force
Explanation:
The time-varying aerodynamic force causes the ball to move erratically. This motion is the source of the "dancing" knuckleball that confuses both batters and catchers alike.
Answer:
10 N
Explanation:
The pair of 5 N is pressing on 1 side of the square
Answer:
D displacement
Explanation:
This is because removing metal means your displacing it
stable arrangement
<h3 /><h3>What is electron configuration of ions?</h3>
Their valence shell contains two or eight electrons. They don't acquire, shed, or distribute electrons.
An atom with a full outermost (valence) shell has a stable electrical configuration. The quantity of electrons that leave or enter an atom's outer shell is known as its valency.
A noble gas configuration is a stable electron configuration for representative or main group elements. By acquiring or losing electrons and forming ions, or by sharing electrons with other atoms, the representative elements' atoms can adopt a noble gas structure.
The stability of an electron arrangement can be predicted. When all of an atom's orbitals are filled, it is at its most stable and unreactive. The combinations with full energy levels are the most stable.
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<span>Which picture shows straining I think it's B F D
False, the answer is B, C, F
Straining or filtering is a method to separate bigger things using a smaller hole to filter it. In picture B and F, the spaghetti and tea leaves are separated from water by using a filter with a smaller hole than the spaghetti or tea leaves. The filter for spaghetti won't works for tea leaves as the filter hole is bigger than tea leaves. The same principle work with filter paper on picture C. The paper also has holes, but it too small for you to see.
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Which picture shows filter paper being used I think C
True, The filter paper is used to filter a solution from it solvent, which probably water. The picture C is correct because you try to separate the muddy water into clear water. Picture F is also filtering but not using paper.
Which picture shows pieces of iron being separated I think E
True, It should be E. The easiest way to separate iron is by using a magnet. In the picture, there is U shaped magnet that will attract iron but will leave non-metal fragment.
Which picture show dissolving I think A
True, the picture A showing someone dissolving sugar and sand(solute) into water(solvent). Sugar will make a homogenous solution, but sand will only make colloid which was easily separated with water.
which picture shows evaporation I think D
True, in picture D the water evaporates leaving the salt. This was the techniques used for producing salt from seawater. Water can evaporate, changing its form from liquid into gas. In this case, the water as the solvent will be continuously reduced, make the salt concentration become higher until saturated and become precipitated. After all of the water evaporates, only the salt will remain.
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