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Oksanka [162]
4 years ago
15

Define Newton's Second Law

Physics
1 answer:
True [87]4 years ago
4 0

Answer:

F_{net} = ma

Explanation:

Newton's second law states that the acceleration of an object is proportional to the net force exerted on it, according to the formula:

F_{net} = ma

where

F_{net} is the net force on the object

m is its mass

a is its acceleration

The other statements are wrong because they represent other laws of physics, namely:

When an object puts a force on another object, the second object puts a force back on the first, equal in magnitude but opposite in direction  --> Newton's third law

The total energy through any process is conserved  --> law of conservation of energy

Objects tend to keep their motion unless acted upon by an unbalanced outside force --> Newton's first law

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Nonpolar molecules are the result of unequal electron pair sharing. True or False
Anestetic [448]

Answer: false

Explanation:

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3 years ago
What is the meaning of physics​
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Answer:

physics is the study of functions, systems and and the explainable reasons why they do what they do.

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13. A transformer has a primary coil with 600 turns and a secondary coil with 300 turns. If the output voltage is 320 volts, wha
vivado [14]
His is a step down transformer since n(primary) is greater than n(seconcary). You relate the input voltage with the ouput voltage with the following equation: 

<span>Vout = n2/n1*Vin (n2/n1 is essentially your 'transfer function' that dictates what a specified input would produce) </span>

<span>Solving the equation: </span>

<span>Vin = Vout*n1/n2 = (320V)*(600/300) = 640 V </span>

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5 0
3 years ago
How many more neutrons are in a I SOTOPE of copper-14 than in standard carbon atom
sweet-ann [11.9K]

Answer:

2 more neutrons

Explanation:

To obtain the answer to the question, let us calculate the number of neutrons in carbon–14 and standard carbon (i.e carbon–12). This can be obtained as follow:

For carbon–14:

Mass number = 14

Proton number = 6

Neutron number =?

Mass number = Proton + Neutron

14 = 6 + Neutron

Collect like terms

14 – 6 = Neutron

8 = Neutron

Neutron number = 8

For carbon–12:

Mass number = 12

Proton number = 6

Neutron number =?

Mass number = Proton + Neutron

12 = 6 + Neutron

Collect like terms

12 – 6 = Neutron

6 = Neutron

Neutron number = 6

SUMMARY:

Neutron number of carbon–14 = 8

Neutron number of carbon–12 = 6

Finally, we shall determine the difference in the neutron number. This can be obtained as follow:

Neutron number of carbon–14 = 8

Neutron number of carbon–12 = 6

Difference =?

Difference = (Neutron number of carbon–14) – (Neutron number of carbon–12)

Difference = 8 – 6

Difference = 2

Therefore, carbon–14 has 2 more neutrons than standard carbon (i.e carbon–12)

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3 years ago
Explain the purpose of a geologic time scale
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Geologic time scales are essential tools for geologists and biologists alike because they help show the history of the entire world in terms of relationships between different plate movements.
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3 years ago
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