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3 years ago

1. An object is moving to the right while a force directed to the left acts on the object. Is this force

Physics

1 answer:

Alex Ar [27]3 years ago

8 0

Answer:

Force is doing negative work here

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Water flows through a pipe. The diameter of the pipe at point b is larger than at point a. Where is the water pressure greatest?

FrozenT [24]

The water pressure is greatest at point B which has a larger diameter in this scenario.

<h3>What is Pressure?</h3>

This is defined as the force per unit area of a substance with its unit being Pascal.

The larger diameter will have more force acting on the sides which translates to a greater pressure.

Read more about Pressure here brainly.com/question/25736513

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2 years ago

I will mark brainliest if your answer is correct!

pochemuha

The electromotive force (∈) = 2 V

<h3>Further explanation</h3>

Given

I=2 A

t = 30 s

E = 120 J

Required

The electromotive force (∈)

Solution

The electromotive force : the potential difference between two electrodes in galvanic cell

Can be formulated :

$\tt \epsilon=\dfrac{E}{Q}$

E = energy, J

Q = charge , Coulomb = i.t

$\tt \epsilon=\dfrac{120~J}{2~A\times 30~s}\\\\\epsilon=2~V$

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3 years ago

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Leviafan [203]

Hi you didn't provide any images to solve the question, hence I am going to solve a different question of same concept so you can have an idea how to tackle such types of questions.(please refer to the attachment for question)

Answer:

<u> Please refer to the attachment for answers and explanation</u>

Explanation:

<u> Please refer to the attachment for answers and explanation</u>

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4 years ago

What does the principal quantum number determine?

morpeh [17]

<span>principal quantum number (n) </span>represents the relative overall energy of each orbital

Hope this helps!

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kakasveta [241]

A,c, and d are your answers :)

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