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3 years ago

11

Particles in an object are constantly moving. The particles also attract and repel each other. Which can this attraction and mov

ement be classified as?

1 answer:

Veronika [31]3 years ago

4 0

Thermal energy.

The more heat an object has, the faster the particles will move and bump into each other.

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A positively charged insulating rod is brought close to an object that is suspended by a string. If the object is repelled away

Trava [24]

Answer

A) Positively charged two insulating rod are brought closed to an object they repel each other. It means the Object is positively charged. Because similar charge repel each other.

The correct answer is Option A.

B) we know force between to charges is calculated using Formula

$F = \dfrac{kQ_1Q_2}{r^2}$ .......(1)

form the given condition in the question

$F' = \dfrac{k\dfrac{Q_1}{4}\dfrac{Q_2}{4}}{(\dfrac{r}{2})^2}$

$F' = \dfrac{k\dfrac{Q_1}{4}\dfrac{Q_2}{4}}{(\dfrac{r^2}{4})}$

$F' = \dfrac{4}{16}\dfrac{kQ_1Q_2}{r^2}$

from equation (1)

$F' = \dfrac{F}{4}$

hence, the correct answer is Option C.

3 0

3 years ago

Five things that were invented by tesla?<br><br> please answer!!!!

algol13

Answer:

remote control, neon and fluorescent lights, wireless transmission, computers, smartphones

Explanation:

6 0

3 years ago

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A 12.0-m wire with a mass of 145 g is under tension. A transverse wave, for which the frequency is 630 Hz, the wavelength is 0.5

miskamm [114]

Answer:

The maximum traverse acceleration is $\alpha = 31346.095 m/s^2$

Explanation:

Generally the maximum transverse acceleration is mathematically represented as

$\alpha = w^2 A$

Where $w$ is the angular velocity which is mathematically evaluated as

$w = 2 \pi f$

Substituting the values given in the question

$w = 2 * 3.142 * 630$

$= 3958.92 rad/s$

A is the A is amplitude with a value of 2.0mm $= \frac{2}{1000} = 0.002m$

Substituting this into the formula for maximum transverse acceleration

$\alpha = 3958.96^2 * 0.002$

$= 31346.095 m/s^2$

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3 years ago

Atsuko Jackson when was her show and who made her?

NeX [460]

Answer:

Atsuko Jackson is a fictional character from the anime television series Michiko to Hatchin. She is a police women her show used to airs on Mondays to my knowledge it was from 2008 to 2009 from my search.

Explanation:

Atsuko Jackson

Atsuko Jackson is a fictional character from the anime television series Michiko to Hatchin.

Played by: Maki Sakai

TV shows: Michiko to Hatchin (2008 - 2009)

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3 years ago

What is the kinetic energy of a 4-kg toy car moving at a velocity of 8 m/s?

NISA [10]

Answer:

<h2>128 J</h2>

Explanation:

The kinetic energy of an object can be found by using the formula

$k = \frac{1}{2} m {v}^{2} \\$

m is the mass

v is the velocity

From the question we have

$k = \frac{1}{2} \times 4 \times {8}^{2} \\ = 2 \times 64$

We have the final answer as

<h3>128 J</h3>

Hope this helps you

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3 years ago

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