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Leokris [45]
3 years ago
13

Two positive charges of same magnitude are separated by some distance if we bring a unit positive charge from one charge to anot

her electric potential ?
Physics
1 answer:
Studentka2010 [4]3 years ago
3 0

Answer:

Increases.

Explanation:

The electric potential increases when the two positive charges of same magnitude bring close to one charge to another because there is repulsive force between them due to same charge and when the two opposite charges move away from each other, the potential energy decreases. When two opposite charges are brought closer together, electric potential energy decreases while on the other hand, when we move opposite charges apart from each other than the work done against the attractive force that leads to an increase in electric potential energy.

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This is a ball and socket joint.

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3 years ago
Richard is driving home to visit his parents. 135 mi of the trip are on the interstate highway where the speed limit is 65 mph .
Elis [28]
<h2>Answer:</h2>

He saves 13.2 minutes

<h2>Explanation:</h2>

Hey! The question is incomplete, but it can be found on the internet. The question is:

How many minutes did he save?

Let's call:

t_{1}:Time \ at \ speed \ 65mph \\ \\ t_{2}:Time \ at \ speed \ 73mph \\ \\ v_{1}=65mph \\ \\ v_{2}=73mph

We know that the 135 miles are on the interstate highway where the speed limit is 65 mph. From this, we can calculate the time it takes to drive on this highway. Assuming Richard maintains constant the speed:

v=\frac{d}{t} \\ \\ d:distance \\ \\ t:time \\ \\ v:velocity \\ \\ t_{1}=\frac{d}{v_{1}} \\ \\ t=\frac{135}{65} \\ \\ t_{1}=2.07 \ hours

Today he is running late and decides to take his chances by driving at 73 mph, so the new time it takes to take the trip is:

t_{2}=\frac{135}{73} \\ \\ t_{2}=1.85 \ hours

So he saves the time t_{s}:

t_{s}=t_{1}-t_{2}=2.07-1.85=0.22 \ hours

In minutes:

t_{s}=0.22h\left(\frac{60min}{1h}\right) \\ \\ \boxed{t_{s}=13.2min}

5 0
3 years ago
Help me pleas.pleas help me<br> Science
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6 0
2 years ago
The rain shadow effect would be most evident in which direction relative to the rocky mountains?
timofeeve [1]
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The Continental Divide in America acts as a great barrier for precipitation.

The Rocky Mountains are a major mountain range that is present in the western North America and stretch for more than 3,000 miles across the northern part of British Columbia, western side of Canada, till New Mexico, in the South-Western part of the US.

The low pressure systems are known to approach from the south to skirt the Rocky Mountains. They generate high precipitation on the eastern side. However, there is little or no precipitation on the western slope.
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6 0
3 years ago
If you could travel with speed of light (3.0e5 km/s) it would take only 2.5 minutes to reach venus. how far is venus from earth
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4 years ago
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