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3 years ago

Potential energy is sometimes called?

Physics

2 answers:

elena55 [62]3 years ago

7 0

Answer:

STORED ENERGY

Explanation:

Serhud [2]3 years ago

4 0

Answer:

it can be called PE or sometimes, there are equations which you can use the letter U.

Explanation:

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Objects 1 and 2 attract each other with a gravitational force of 72.0 units. If the mass of Object 1 is one-fourth the original

Black_prince [1.1K]

Answer:

New gravitational force, F' = 216 units

Explanation:

Given that,

Gravitational force between object 1 and 2, F = 72 N

The gravitational force between two objects is given by :

$F=\dfrac{Gm_1m_2}{r^2}$

$\dfrac{Gm_1m_2}{r^2}=72$ ............(1)

If the mass of object 1, $m_1'=\dfrac{m_1}{4}$

$m_2'=3m_2$

If the distance between objects is halved, $r'=\dfrac{r}{2}$

Let new gravitational force is F'. It is changed to :

$F=\dfrac{Gm'_1m'_2}{r'^2}$

$F'=\dfrac{G\times \dfrac{m_1}{4}\times 3m_2}{(\dfrac{r}{2})^2}$

$F'=3\times \dfrac{Gm_1m_2}{r^2}$

$F'=3\times F$

$F'=3\times 72$

F' = 216 units

So, the new gravitational force will be 216 units.

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3 years ago

Terrance designed an experiment to show how heat can be transferred from one place to another. The steps of the experiment are s

MrRissso [65]

I think its a) heat transfer by radiation

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4 years ago

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I will give brainliest) According to Newton's second law of motion, when an object is acted on by an unbalanced force, how will

evablogger [386]

Newton's first law of motion has been frequently stated throughout this lesson. Anobject at rest stays at rest and an object in motion stays in motion with the same speed and in the same direction unless acted upon by an unbalanced force.

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4 years ago

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How are wavelength, pitch, frequency, and energy all related?

Serggg [28]

Answer:

he word that musicians use for frequency is pitch. The shorter the wavelength, the higher the frequency, and the higher the pitch, of the sound. In other words, short waves sound high; long waves sound low. ... In other words, it sounds higher

Explanation:

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3 years ago

How is the work done to hoist the counterweight related to the potential energy of the counterweight at its specified height?

Nesterboy [21]

Answer:

The work done to lift the counterweight equals the potential energy acquired

Explanation:

since this is vertically applied force on the counterweight, and the distance the force is displacing the counterweight is in the same direction as the applied force, it equals the gained potential energy

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3 years ago