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worty [1.4K]
3 years ago
9

What is the meaning of physics​

Physics
1 answer:
Valentin [98]3 years ago
8 0

Answer:

the branch of science concerned with the nature and properties of matter and energy

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If points a and b are connected by a wire with negligible resistance, find the magnitude of the current in the 12.0 v battery.
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V = I * R
Where V is the voltage, I is the current and R is the resistance. Using Ohm's law, you require resistance to find the current through the wire. Technically, if the wire has a resistance of 0, you will get infinite current. But this isn't possible. Maybe the negligible resistance refers to the battery's internal resistance - not the wire's resistance. 
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Help pls, see picture. Will mark Brainliest
Leno4ka [110]

Answer:

B

Explanation:

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A positive charge is moved from point A to point B along an equipotential surface. How much work is performed or required in mov
Nitella [24]

Answer:

No work is performed or required in moving the positive charge from point A to point B.

Explanation:

Lets take

Q= Positive charge which move from  point A to point B along

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The work done

W = Q . ΔV

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ΔV = 0

So

W = Q . ΔV

W = Q x 0

W= 0 J

So work is zero.

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3 years ago
According to the law of conservation of energy, which statement must be
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Answer: THE ANSWER IS C!

The total energy of a system can decrease only if energy leaves the system.

Explanation: Apex!

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Hakeem was dismayed to discover that he offended coworkers by standing 2 feet away from them during business conversations. In t
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Personal space differs from culture to culture, though it is widely acknowledged that Europe and U.S have bigger personal space requirements that their counterparts in Asia.

Hakeem might not realize it but it’s commonly accepted for Americans to have a distance between four to twelve feet between one another in social settings, especially in professional ones. A distance of two feet is only acceptable if the individual is part of the person’s inner circle, such as friends and family.  

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