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2 years ago

The current in the company's lightbulbs was too high. Why were the tests you ran relevant to the problem?

Physics

1 answer:

Katena32 [7]2 years ago

6 0

The correct option is C.
In an electric circuit, resistance is defined as the friction in an electrical circuit which controls the flow of current. In an electric circuit, the resistance involved determined the amount of voltage that will be released; the higher the resistance the lower the voltage that will be released and the lower the resistance the higher the voltage that will be released. Thus, in a situation where the current released is too high, then the resistance has to be increased to lower the current.

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Two satellites A and B orbit the Earth in the same plane. Their masses are 5 m and 7 m, respectively, and their radii 4 r and 7

Dmitry [639]

Answer:

The ratio of their orbital speeds are 5:4.

Explanation:

Given that,

Mass of A = 5 m

Mass of B = 7 m

Radius of A = 4 r

Radius of B = 7 r

The orbital speed of satellite A,

$v_{A}=\sqrt{\dfrac{GM_{A}}{R_{A}}}$ ......(I)

The orbital speed of satellite B,

$v_{B}=\sqrt{\dfrac{GM_{B}}{R_{B}}}$ ......(I)

We need to calculate the ratio of their orbital speeds

Using equation (I) and (II)

$\dfrac{v_{A}}{v_{B}}=\sqrt{\dfrac{\dfrac{GM_{A}}{R_{A}}}{\dfrac{GM_{B}}{R_{B}}}}$

Put the value into the formula

$\dfrac{v_{A}}{v_{B}}=\sqrt{\dfrac{G\times5m\times7r}{G\times7m\times4r}}$

$\dfrac{v_{A}}{v_{B}}=\dfrac{5}{4}$

Hence, The ratio of their orbital speeds are 5:4.

8 0

2 years ago

An embolus can cause which of the following?

QveST [7]

I think it’s C. Stroke if not then D

7 0

2 years ago

Which of the following describes an element?

bixtya [17]

Answer:

A substance made of two or more types of atoms

Explanation:

8 0

2 years ago

The following chart provides the pH of some common foods. How many would be considered basic?

Yuri [45]

The ones with pH greater than 7

Explanation:

A pH scale is a scale for expressing the level of acidity or alkalinity of aqueous solutions.

This scale is called a pH or pOH scale. The pH is the common one.

pH of a solution is the negative logarithm to base 10 o the hydrogen ion concentration of the solution.

The scale ranges from 1 through 14.
An acidic solution has a pH value less than 7. Neutral solutions have pH of 7 and basic solutions have pH greater than 7.

learn more:

acidity brainly.com/question/5121777

#learnwithBrainly

6 0

2 years ago

Which of these would most likely cause a sound wave?

Levart [38]

Among the choices the one that most likely cause a sound wave is C or the a spoon hitting the side of a bowl while mixing <span>because that's going to make a sound.

Thank you for posting your question here at brainly. I hope the answer will help you. Feel free to ask more questions.
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6 0

2 years ago

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