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inessss [21]
3 years ago
14

If the speed of an object is doubled, its kinetic energy will

Physics
2 answers:
otez555 [7]3 years ago
7 0
3. remain the same would be the asnwer
Kamila [148]3 years ago
7 0
I would say 1 or 3
I think this website would help you : )
https://quizlet.com/143048348/year-10-physics-forces-motion-and-energy-flash-cards/

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Which of the following is an SI base unit for measuring length?
irina [24]
Meters it the SI unit for measuring length.
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3 years ago
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How are electromagnetic waves that are produced by oscillating charges and sound waves that are produced by oscillating tuning f
Dovator [93]
They are both created by waves of different forms of energy... sound is the oscillation of other substances, called a medium, while the electromagnetic waves are oscillating through electromagnetic energy. 
8 0
3 years ago
Which of these was Sir Isaac Newton not known for? invention of calculus invention of the microscope the Three Laws of Motion un
Akimi4 [234]
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3 0
3 years ago
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you throw an object straight up at 15m/s. how fast is it going when it gets back to the height from which you threw it?
laiz [17]
At the same speed because it will slow down as it approaches the peak then speed up as it goes down again


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8 0
3 years ago
Say I have a series circuit with 20v and four 65 ohm resistors, what is the current in each resistor?
Komok [63]
Data:

E = 20 V
R_{1} = 65\Omega
R_{2} = 65\Omega
R_{3} = 65\Omega
R_{4} = 65\Omega

<span>Now that we have all the values ​​we need properly identified, simply calculate the equivalent total resistance of the circuit and the intensity of the total electric current using the Ohm's Law:

</span>R_{T} =  R_{1} + R_{2} + R_{3} + R_{4}
R_{T} = 65 + 65 + 65+ 65
R_{T} = 260\Omega

<span>Like this:
</span>
I_{T} =  \frac{E}{ R_{T} }

I_{T} = \frac{20}{ 260 }
I_{T} = 0,076923076...

\boxed{\boxed{I_{T} \approx 0,07A}} 
Answer:
<span>The intensity of the total electric current 
</span>\boxed{\boxed{I_{T} \approx 0,07A}} 

P.S:. Since the association is in series, the current of 0.07A is the same for all resistors.
4 0
3 years ago
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