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dexar [7]
3 years ago
8

Most of the energy on Earth comes from which of the following?

Physics
1 answer:
KATRIN_1 [288]3 years ago
3 0
<span>The earth gets most of its energy from the sun. The answer is letter B. This is because most of the living organisms on earth need sunlight to perform activities that would balance the ecosystem. Sunlight is the reason for the climate system on earth, the production of food through cellular respiration and many more.</span>
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The coefficient of static friction between hard rubber and normal street pavement is about 0.90. On how steep a hill (maximum an
jok3333 [9.3K]
First thing to do is to draw the system described above. Then, write an equation for the forces present.
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</span>Σ<span>F = Fg - Ff
</span><span>0 = mgsin</span><span>∅</span><span> - umgcos</span><span>∅</span><span>0 = gsin</span><span>∅</span><span> - ugcos</span><span>∅</span><span>
u = tan</span><span>∅
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7 0
3 years ago
Read 2 more answers
According to Coulomb’s Law, what happens to the force when the distance increase between 2 particles?
ohaa [14]

Answer:

The size of the force varies inversely as the square of the distance between the two charges. Therefore, if the distance between the two charges is doubled, <u>the attraction or repulsion becomes weaker</u>, decreasing to one-fourth of the original value.

Explanation:

Coulomb’s law, mathematical description of the electric force between charged objects. Formulated by the 18th-century French physicist Charles-Augustin de Coulomb, it is analogous to Isaac Newton’s law of gravity.

Both gravitational and electric forces decrease with the square of the distance between the objects, and both forces act along a line between them. In Coulomb’s law, however, the magnitude and sign of the electric force are determined by the electric charge, rather than the mass, of an object. Thus, charge determines how electromagnetism influences the motion of charged objects. Charge is a basic property of matter. Every constituent of matter has an electric charge with a value that can be positive, negative, or zero.

Coulomb's Law says that the force between 2 charges is proportional to the product of the quantities of charge on each and inversely proportional to the square of the distance between them. The formula for Coulomb's Law is F=k\frac{q_{1}q_{2}   }{r^{2} }.

F is the force.

k is the Coulomb's constant (8.987*10^{9} \frac{Nm^{2} }{C^{2} }).

q_{1} is the electric charge of object 1.

q_{2} is the electric charge of object 2.

r is the distance between the two charges.

Electric force is inversely proportional to (r^{2}) instead of (r). As the distance between charges increases, the electric force decreases by a factor of \frac{1}{r^{2} }.

8 0
2 years ago
What is the peacocks displacement from 2 to 3 seconds
mash [69]
1.5 second difference
7 0
2 years ago
Please i need detailed explanation​
zubka84 [21]

Answer:

2Micro Farahds

Explanation:

Its in the picture.

I Hope it helps.

4 0
3 years ago
What is the mass of 5 moles of gold
Serhud [2]
First of all, we know that one mole is equal to the atomic number of an element.

The atomic number of gold is <span>197.0g Au

And we need to find 5 moles.

5 * 197.0 g Au = </span><span>985.0g

Grams is used to measure mass. 

Answer: </span>985.0g
8 0
3 years ago
Read 2 more answers
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