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Taya2010 [7]
3 years ago
11

Describe three societal needs that drive scientific endeavor and give an example of a scientific endeavor associated with each.

Physics
1 answer:
Trava [24]3 years ago
6 0

The answer is:


1. Cure disease

2. Improve livelihoods

3. Understand nature and themselves.


1. Disease has plagued humans since the first man. Therefore, man has always used science to seek a cure for any emerging disease such as cancer today

2. Humans use science to improve livelihoods such as means of faster traveling and increasing yields in the fields

3. Science has been used to understand humans and the environment in which they live. This is evident with the numerous scientific probes that explore the earth and space collecting and analyzing data.


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Discuss what in particular makes the light bulb a non-ohmic resistor. Specifically, how does temperature affect resistance? Can
bagirrra123 [75]

Answer:

the loss of energy due to the Joule effect is the cause of the non-ohmic characteristic of the bulb

Explanation:

A resistance is formed of some type of metal, in a light bulb it is Tungsten, which for low current is a resistance that complies with the ohm law.

When the value of the current is increased the shock of the electors creates a Joule effect, which heats the metal, these shocks are due to atomic imperfections of the structure, this heating creates a loss of energy of the system that causes the characteristic to be lost linear between the voltage and the current, since the total energy balance must be preserved.

An approximate measure of the energy that is emitted is given by Stefan's law.

In short, the loss of energy due to the Joule effect is the cause of the non-ohmic characteristic of the bulb

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3 years ago
Does a physical change affect the identity of a substance? Does a chemical change affect the identity of a substance?
eduard
Yes or no because I don't know and im tired
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A cat is sleeping on the dashboard of a moving car. Imagine that the cat does not wake up and is not touched by anything. Use Ne
Minchanka [31]
What do we call an object displaced by an unbalanced Force,
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And we also know that,
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But I'll use Newton's 1st law to prove it,
Which is, An object will remain in rest or in uniform motion until it is compelled by an external Force.

As per the his law,
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!! Hope It Helps !!
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Answer:

MRCORRECT has answered the question

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