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Brums [2.3K]
3 years ago
9

Pls help ASAP!! Thank you

Physics
2 answers:
olga55 [171]3 years ago
7 0

Answer:

A. The south pole of one magnet is near the south pole of the other magnet.

Explanation:

Like poles repel.

Unlike poles attract.

Thus:

A should repel each other. (S and S together)

B might not be able to have enough attraction between both magnets to move towards each other so they remain still.

C should attract each other. (N and S together)

D might not be able to have enough repelling power between both magnets to repel each other so they remain still.

Overall, B and D would not have any attraction between each other so they are neutral. C is wrong because they have the strongest attraction while A has the strongest repelling in that situation.

GaryK [48]3 years ago
5 0

Answer:

Explanation:

The answer you should pick is A. Two magnets will attract each other when their poles are opposite and they are close together.

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Answer:

X=2.50

Explanation:

6x-6=9

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PSYCHOLOGY <br> Which of these statements are false ?
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Answer:

The false statement has to be that neruotransmitters are in the spinal cord.

Explanation:

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4 0
1 year ago
Calculate the number of electrons in a small, electrically neutral silver pin that has a mass of 7.1 g. Silver has 47 electrons
Assoli18 [71]

<u>Answer:</u> The number of electrons in given amount of silver are 1.87\times 10^{24}

<u>Explanation:</u>

To calculate the number of moles, we use the equation:

\text{Number of moles}=\frac{\text{Given mass}}{\text{Molar mass}}

We are given:

Given mass of silver = 7.1 g

Molar mass of silver = 107.87 g/mol

Putting values in above equation, we get:

\text{Moles of silver}=\frac{7.1g}{107.87g/mol}=0.066mol

Number of electrons in 1 atom of silver = 47

According to mole concept:

1 mole of an element contains 6.022\times 10^{23} number of particles

So, 0.066 moles of silver will contain = -(0.066\times 47\times 6.022\times 10^{23})=1.87\times 10^{24} number of electrons

Hence, the number of electrons in given amount of silver are 1.87\times 10^{24}

7 0
3 years ago
A race car has a maximum speed of 0.104 km/s .What is this speed in miles per hour ?
sweet [91]

Answer:

232.641374 mph

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Let X represent the speed in miles per hour

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X = 0.104 × 2,236.936292

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