Answer:
C.Earth and you exert equal and opposite forces on each other.
Explanation:
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The force that the earth exerts on any object is due to the force of gravity and is known as weight, F = mg, this force is directed towards the center of the earth, in addition, according to the laws of physics for any action must have a reaction, in this case it is a force that goes out from the ground and it is directed upwards, this force is called normal and it has the same magnitude of your weight but the opposite direction.
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The formula for aluminium chloride will be correctly written as AlCl3.
Aluminium is a metal and in this reaction it is an electron donor. It has three electrons in its outermost shell and it is ready to give out all the three electrons to chlorine. Chlorine is a non metal and is an electron acceptor and it is more than ready to accept electrons from aluminium. But a chlorine atom can only receive only one electron from aluminium because, it already has seven electrons in its outermost shell and it only needs eight electrons in its outermost shell to be stable. To solve this problem, three chlorine atoms will react with one aluminium atom in order to accept all the three electrons from aluminium, hence the chemical formula AlCl3..
Answer:
B. -900 kg-m/s2
Explanation:
First of all, we need to calculate the acceleration of the hockey player, which is given by:
where
v = 12 m/s is the final speed
u = 18 m/s is the initial speed
t = 0.6 s is the time
Substituting into the formula, we find
And now we can calculate the force exerted by using Newton's second law:
where m=90 kg is the mass of the hockey player. Substituting into the formula, we find
Answer:
Explanation:
RGB values are a combination of three different numerical values which represent Red Green and Blue which range from 0 to 255. When combining two separate colors with RGB values you would simply need to add each of these numerical values together to form an entirely new RGB value. For example,
(105, 200, 0) + (203, 30, 186) = (255, 230, 186)
You can see in the example above that every number in the first color is added to the number in the same position within the second color. If the addition of two numbers goes above 255 then the value maxes out at 255 and stays as is.
