Patru elevi au măsurat aria unui caiet şi au găsit valorile: A 1 =14,50 cm 2 , A 2 = 14,10 cm 2 , A 3= 14,40 cm 2 şi A 4 = 14,60 cm 2 . Media aritmetică a măsurătorilor este…………………………
Cea mai mică eroare de măsurare faţă de valoarea medie o are elevul…………….

WUT

Explanation:

c) up is the direction the magnetic force is acting on the charge.

as we know our atmosphere or air have different levels. every level has other gasses, and every gas has another permeability. when the light comes from lower permeability to higher permeability, it changes its direction. so that means that when the light comes from the moon to the earth, it changes it's direction many more times. it basically means that the shape of the light part of the moon is changed on the earth.

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