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schepotkina [342]
4 years ago
8

Which statement below best describes the relationship between the voltage, resistance, and current?

Physics
1 answer:
aliina [53]4 years ago
4 0

Answer:

As voltage increases, current increases and resistance stays the same .

Explanation:

Ohm's law gives the relationship between the voltage, resistance, and current. The mathematical form of Ohm's law is given by :

V\propto I\\\\V=IR

R is resistance

I is current

V is voltage

So, as voltage increases, current increases and resistance stays the same. The correct option is (A).

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show that if a particle is in a stationary state at a given time it will always remain in a stationary state.
Lena [83]

That statement is impossible to show, demonstrate, or prove.

A big part of the reason for the inability to show it is that the statement is ... prima facie, pro bono, and habeus corpus ... wrong, and as false as the day is long.

Although I am certainly far from what you might call a 'particle', I think I can show, using myself, that the statement is false:

As we speak, I am sitting, <u><em>in a stationary state</em></u>, before my computer.  It is my intention, and I fully believe it will come to pass, that in a few seconds, my fingers may move to operate one of the letter keys, or my hand may reach out to snag my coffee cup, or my entire being may arise from my place and go into the kitchen for a bowl of oatmeal.  At the INSTANT that any of these events takes place, the statement will have been proven false.

QED

8 0
3 years ago
A cyclist, while overtaking another bike, increases his speed uniformly from 4.2 mis to 6.3 m/s over a time interval of 5.3 s. H
avanturin [10]

Answer:

27.82m

Explanation:

The distance of the cyclist can be calculated using the formula:

S = ut + 1/2 (at^2)

Where; S = distance

u = initial velocity

a = acceleration

t = time

However, to find acceleration, we use:

a = v - u/t, where v is the final velocity

According to this question, u = 4.2m/s, v = 6.3m/s, t = 5.3s

a = 6.3 - 4.2 / 5.3

a = 2.1/5.3

a = 0.396m/s^2

Hence, using S = ut + 1/2 (at^2)

S = (4.2 × 5.3) + 1/2 (0.396 × 5.3 × 5.3)

S = 22.26 + 5.56

S = 27.82

Therefore, the cyclist travel in 27.82m

8 0
3 years ago
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4 years ago
Magnification of lens is 1. What does it mean?
Mars2501 [29]

Answer:

It means when you look into the lens your vision magnifies by x1

Explanation:

8 0
3 years ago
New York’s Finger Lakes were formed by the same process as the Great Lakes.
Papessa [141]
C. movement of glaciers.
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