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Recent questions tagged charges


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Does MathsGee have a Charges and Fields simulation?
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Does MathsGee have a Charges and Fields simulation?Does MathsGee have a Charges and Fields simulation? ...
by Pieter Gold Status
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asked in Physics & Chemistry May 1
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Why you put(60*10 to the power-6) (50*10 to the power-6) and not just (50)(60)?
0 answers 56 views
Why you put(60*10 to the power-6) (50*10 to the power-6) and not just (50)(60)?Why did you put(6010 to the power-6) (5010 to the power-6) and not just (50)(60)? I was wondering because Q1 is 50.0 C and Q2 is 60.0 C and they are ...
by anonymous
asked in Physics & Chemistry Apr 12
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A steel pavilion at a sports ground comprises of a series of 12 steps, of which the first 3 are shown in the diagram below.

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A steel pavilion at a sports ground comprises of a series of 12 steps, of which the first 3 are shown in the diagram below.
0 answers 52 views
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A steel pavilion at a sports ground comprises of a series of 12 steps, of which the first 3 are shown in the diagram below. A steel pavilion at a sports ground comprises of a series of 12 steps, of which the first 3 are shown in the diagram below. Each step is \(5 \m ...
by Pieter Gold Status
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asked in Mathematics Jan 11
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Define algebraically \((\overline{I a})_{n}\)
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Define algebraically \((\overline{I a})_{n}\)i. Define algebraically \((\overline{I a})_{n}\) ii. Hence, prove that \((\overline{I a})_{n}=\frac{\bar{a}_{\eta}-n v^{n}}{\delta}\). ...
by MathsGee Platinum
(119,140 points)
asked in Data Science & Statistics Oct 6, 2021
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Three point charges are in a straight line. Their charges are \(Q_{1}=+4 \times 10^{-9} \mathrm{C}, Q_{2}=+2 \times 10^{-9} \mathrm{C}\) and \(Q_{3}=-6 \times 10^{-9} \mathrm{C}\). Two metal spheres, \(\mathrm{M}\) and \(\mathrm{N}\), on insulated stands carry charges \(+\mathrm{Q}_{\mathrm{M}}\) and \(-6 \mathrm{nC}\) respectively.

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Two metal spheres, \(\mathrm{M}\) and \(\mathrm{N}\), on insulated stands carry charges \(+\mathrm{Q}_{\mathrm{M}}\) and \(-6 \mathrm{nC}\) respectively.
A sphere \(\mathbf{Q}_{1}\), with a charge of \(-2,5 \mu \mathrm{C}\), is placed \(1 \mathrm{~m}\) away from a second sphere \(\mathbf{Q}_{2}\) with a charge \(+6 \mu \mathrm{C}\). A -3 nC charge \(Q_{1}\) is placed \(10 \mathrm{~cm}\) away from \(a+3 n C Q_{2}\) charge as shown in the diagram below.

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A -3 nC charge \(Q_{1}\) is placed \(10 \mathrm{~cm}\) away from \(a+3 n C Q_{2}\) charge as shown in the diagram below.
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A very small graphite-coated sphere \(\mathbf{P}\) is rubbed with a cloth. It is found that the sphere acquires a charge of \(+0,5 \mu \mathrm{C}\).

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A very small graphite-coated sphere \(\mathbf{P}\) is rubbed with a cloth. It is found that the sphere acquires a charge of \(+0,5 \mu \mathrm{C}\).
1 answer 190 views
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Two identical negatively charged spheres, \(A\) and \(B\), having charges of the same magnitude, . . .

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Two identical negatively charged spheres, \(A\) and \(B\), having charges of the same magnitude, . . .
1 answer 205 views
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Two identical negatively charged spheres, \(A\) and \(B\), having charges of the same magnitude, . . . Two identical negatively charged spheres, \(A\) and \(B\), having charges of the same magnitude, are placed \(0,5 \mathrm{~m}\) apart in vacuum. The ...
by Student SIlver Status
(10,904 points)
asked in Physics & Chemistry Oct 1, 2021
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Two metal spheres, \(\mathrm{M}\) and \(\mathbf{N}\), are on insulated stands. \(\mathrm{M}\) with charge of \(-4 \mathrm{nC}\) is placed \(30 \mathrm{~mm}\) away from N. Two metal spheres, \(A\) and \(B\), on insulated stands is placed with their centres \(10 \mathrm{~cm}\) apart as shown in the sketch below. A has a charge of \(-15 \mathrm{nC}\) and \(\mathrm{B}\) an unknown positive charge \(X\). Two metal spheres, \(\mathbf{P}\) and \(\mathbf{Q}\), on insulated stands, carrying charges of \(+5 \times 10^{-9} \mathrm{C}\) and \(+5 \times 10^{-9} \mathrm{C}\) respectively, are placed with their centres \(20 \mathrm{~mm}\) apart. Two positive point charges, \(q_{1}=+16 \times 10^{-6} \mathrm{C}\) and \(\mathrm{q}_{2}=+4 \times 10^{-6} \mathrm{C}\), are separated by a distance \(3 \mathrm{~m}\). The diagram below shows a small metal sphere P on an insulated stand. The sphere carries a charge of \(-4 \times 10^{-9} \mathrm{C}\), as shown in the diagram.

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The diagram below shows a small metal sphere P on an insulated stand. The sphere carries a charge of \(-4 \times 10^{-9} \mathrm{C}\), as shown in the diagram.
Two point charges, \(Q_{1}\) and \(Q_{2}\), a distance \(3 \mathrm{~m}\) apart, are shown below. The charge on \(Q_{1}\) is \(-14 \mu \mathrm{C}\) and the charge on \(Q_{2}\) is \(+20 \mu \mathrm{C}\)

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A manufacturer spends \(\$ 52000\) to produce 130 parts, achieving a marginal cost of \(\$ 75\) per part. Find the linear cost function.
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Write a linear cost function for a ski resort that charges a snow pass for \(\$ 22\) plus \(\$ 52\) per day.
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What are the different types of charges?
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What are the different types of charges?What are the different types of charges? ...
by MathsGee Platinum
(119,140 points)
asked in Physics & Chemistry Aug 30, 2021
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Ten equal spheres are stacked to form a regular tetrahedron. How many points of contact are there between the spheres?
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Shouldn't the charge on each sphere remain the same?
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Shouldn't the charge on each sphere remain the same?I think this is an interesting view. However, I am troubled about the fact that the spheres are insulated. Since they are insulated, our theory inform ...
by Siyabonga
asked in Physics & Chemistry May 22, 2021
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Two identical metal spheres, $\mathbf{P}$ and $\mathbf{R}$, on insulated stands, carry different charges. The spheres are brought into contact and then separated again.

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Two small identical metal spheres, each carrying equal charges Q, are brought into contact and then separated. The charge on each sphere will now be …

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If l have a bank account, how can l reduce or avoid some of the bank charges?
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What do physicists mean when they say "electric charges are at rest"?

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What do physicists mean when they say "electric charges are at rest"?
12 answers 318 views
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What do physicists mean when they say "electric charges are at rest"? What do physicists mean when they say "electric charges are at rest"? ...
by MathsGee Platinum
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asked in Physics & Chemistry Sep 9, 2020
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How do two protons or positive charges repel each other? They do repel each other, but how?
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How do two protons or positive charges repel each other? They do repel each other, but how?How do two protons or positive charges repel each other? They do repel each other, but how? ...
by Student SIlver Status
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asked in Physics & Chemistry Sep 5, 2020
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How do we know that there are only two types of charges in electrostatics and not three?
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An energy company in the West Coast District Municipality charges residential customers a basic fee of R150.00, and R0.50c per kilowatt hour (kWh).
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Which particles carry opposite charges? :
1 answer 336 views
Which particles carry opposite charges? : Which particles carry opposite charges?  A.    Protons and neutrons B.    Neutrons and electrons C.&nbsp ...
by MathsGee Platinum
(119,140 points)
asked in Physics & Chemistry Apr 20, 2020
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How many elementary charges does 5 coulomb contain?
1 answer 367 views
How many elementary charges does 5 coulomb contain?How many elementary charges does 5 coulomb contain? ...
by MathsGee Platinum
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asked in Physics & Chemistry Aug 26, 2019
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What is the charge, in coulomb, of 100 elementary charges?
1 answer 808 views
What is the charge, in coulomb, of 100 elementary charges?What is the charge, in coulomb, of 100 elementary charges? ...
by MathsGee Platinum
(119,140 points)
asked in Physics & Chemistry Aug 26, 2019
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How do I convert from number of elementary charges to coulomb?
1 answer 186 views
How do I convert from number of elementary charges to coulomb?How do I convert from number of elementary charges to coulomb? ...
by MathsGee Platinum
(119,140 points)
asked in Physics & Chemistry Aug 26, 2019
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How do I go from coulomb to number of elementary charges?
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How do I go from coulomb to number of elementary charges?How do I go from coulomb to number of elementary charges? ...
by MathsGee Platinum
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asked in Physics & Chemistry Aug 26, 2019
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If Sphere A is brought into contact with Sphere C, what are the new charges on each sphere?
1 answer 539 views
If Sphere A is brought into contact with Sphere C, what are the new charges on each sphere? Sphere A has a charge of +2e, Sphere B has a charge of -8e, and Sphere C has a charge of -6e.         &nb ...
by MathsGee Platinum
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asked in Physics & Chemistry Aug 26, 2019
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Why do opposite charges attract?
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Why do opposite charges attract?Why do opposite charges attract? ...
by MathsGee Platinum
(119,140 points)
asked in Physics & Chemistry Aug 26, 2019
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Which could be the number of pairs of pants hemmed at Jane’s Tailoring last week?
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Which could be the number of pairs of pants hemmed at Jane’s Tailoring last week? Jane’s Tailoring charges between $8.25 and $10.50 to hem a pair of pants. Last week customers spent $525 on this service. Which could be the number ...
by MathsGee Platinum
(119,140 points)
asked in Mathematics Apr 27, 2019
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