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3 years ago

Is charging by contact the same as charging by conduction?

2 answers:

8 0

Answer:So, the difference between charging by induction and conduction comes down to the contact of the neutral object and the object used to charge it. Conduction requires direct contact, while induction does not.

Explanation:

Nostrana [21]3 years ago

3 0

No it’s not the same

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What is the energy stored between 2 Carbon nuclei that are 1.00 nm apart from each other? HINT: Carbon nuclei have 6 protons and

Andrei [34K]

Answer:

$A. 8.29\times 10^{-18}\ J$

Explanation:

Given that:

p = magnitude of charge on a proton = $1.6\times 10^{-19}\ C$

k = Boltzmann constant = $9\times 10^{9}\ Nm^2/C^2$

r = distance between the two carbon nuclei = 1.00 nm = $1.00\times 10^{-9}\ m$

Since a carbon nucleus contains 6 protons.

So, charge on a carbon nucleus is $q = 6p=6\times 1.6\times 10^{-19}\ C=9.6\times 10^{-19}\ C$

We know that the electric potential energy between two charges q and Q separated by a distance r is given by:

$U = \dfrac{kQq}{r}$

So, the potential energy between the two nuclei of carbon is as below:

$U= \dfrac{kqq}{r}\\\Rightarrow U = \dfrac{kq^2}{r}\\\Rightarrow U = \dfrac{9\times10^9\times (9.6\times 10^{-19})^2}{1.0\times 10^{-9}}\\\Rightarrow U =8.29\times 10^{-18}\ J$

Hence, the energy stored between two nuclei of carbon is $8.29\times 10^{-18}\ J$ .

8 0

3 years ago

How would you describe a fossil that was discovered in a rock at the base of a cliff to a fossil in a rock found at the top of a

ArbitrLikvidat [17]

The one at the base would be much older due to the law of super position, and the rock at the top would be much newer,again, due to the law of super position.

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3 years ago

Which would likely demagnetize a magnetized iron nail?

olga2289 [7]

The answer to this question is dropping it on a hard surface.

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3 years ago

Hans Eysenck makes a connection between __________ and __________in explaining personality development. A. genetic factors . . .

tekilochka [14]

The answer is A, genetic factors...conditioning. I just took the test. Good luck!!

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4 years ago

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Which statement accurately describes the motion of the object in the graph above over 10 seconds? Group of answer choices The ob

timurjin [86]

Answer:

Object appears to move forward at 1 cm/sec, then the velocity drops to zero for 3 sec and then moves forward at 2 cm/sec (11 - 3) / (10 - 6) = 2 cm/sec

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3 years ago