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MrRa [10]
2 years ago
14

Need help with this question

Physics
1 answer:
Orlov [11]2 years ago
5 0

Answer:

1. 92, 138, 92

2. 7, 7, 7

3. 17, 18, 17

4. 29, 34, 29

Explanation:

the number on the bottom is always going to be the atomic number, or the number of protons.

the number on the top is going to be the atomic mass number, which is the sum of the number of protons and neutrons.

there is always going to be the same number of electrons as protons, because that was the overall charge of each atom is 0.

for example, for the first one:

there are 92 protons

there are 230 - 92 = 138 neutrons

there are 92 electrons

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A voltmeter and an ammeter are used to respectively monitor the voltage across and the current through a resistor connected to a
dsp73

Answer:

(a) 95 volt

(b)  134.33 volt

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As a fluid flows into a constriction in a pipe, the velocity... a. increases b. stays the same c. decreases d. is independent o
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Answer:

The velocity in the pipe constriction will increase. (option A)

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(the subscript c related to the constriction)

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Vc=V.(A/Ac)

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The velocity in the constriction is greater than before the constriction.

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