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sattari [20]
2 years ago
12

Which of the following is a purpose of rules in sports and games? (5 points)

Physics
1 answer:
ValentinkaMS [17]2 years ago
4 0

Answer:

To keep everyone safe

Explanation:

Without rules people could get hurt

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Which of the following objects has the greatest density
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A cell phone uses a 3. 0 V battery. The circuit board it uses needs a 0. 05 A current. What size resistor is needed to generate
Marta_Voda [28]

The value of resistance will be 60 ohms. Resistance is the opposition force offered to the flow of electric current. The ratio of the voltage to the electric current passing through the wire.

<h3>What is a resistor?</h3>

A resistor is a two-terminal passive electrical component that acts as a circuit element by implementing electrical resistance.

Resistors are used to limit current flow, alter signal levels, divide voltages, bias active devices, and complete transmission lines in electronic circuits.

The given data in the problem is;

V is the voltage =  3. 0 V

I is value of electric current=  0. 05 A

R is the resistance=?

According to ohm's law, the potential difference between the two ends of the conductor is equal to the product of electric current and the resistance generated.

So from the ohm law;

V= IR

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Hence the value of resistance will be 60 ohms.

To learn more about the resistor refer to the link;

brainly.com/question/1322424

3 0
2 years ago
A red laser from the physics lab is marked as producing 632.8-nm light. When light from this laser falls on two closely spaced s
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Answer:

Explanation:

fringe separation or fringe width is directly proportional to wavelength .

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putting the given values

632.8 / wavelength of second laser = 4.5 / 4.64

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= 652.48 nm

652 nm

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