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3 years ago

What is electrical energy ?

Physics

2 answers:

fredd [130]3 years ago

6 0

Explanation:

Electrical energy is energy derived from electric potential energy or kinetic energy. When used loosely, electrical energy refers to energy that has been converted from electric potential energy.

HOPE THIS HELPS YOU

Arte-miy333 [17]3 years ago

3 0

Answer:

Hi!

Explanation:

Its kinetec energy moving by electric charges.

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What are the three types of motion

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Rectilinear Motion, Circular Motion and Periodic Motion.

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If you get caught in a strong current in a river you should roll onto your back and float downstream feet ? True or False

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3 years ago

Un auto se mueve con velocidad constante de 20 m/s y la mantiene durante 20 s. Después se le aplica una aceleración constante y

pentagon [3]

Answer:

26.67 s

Explanation:

v = Velocidad final = 40 m/s

u = Velocidad inicial = 20 m/s

$t_1$ = Tiempo inicial = 20 s

$t_2$ = Tiempo empleado durante la aceleración

a = Aceleración

s = Desplazamiento del automóvil durante la aceleración = 200 m

De las ecuaciones lineales de movimiento tenemos

$v^2-u^2=2as\\\Rightarrow a=\dfrac{v^2-u^2}{2s}\\\Rightarrow a=\dfrac{40^2-20^2}{2\times 200}\\\Rightarrow a=3\ \text{m/s}^2$

$v=u+at_2\\\Rightarrow t_2=\dfrac{v-u}{a}\\\Rightarrow t_2=\dfrac{40-20}{3}\\\Rightarrow t_2=6.67\ \text{s}$

El tiempo necesario para acelerar es 6.67 s

El tiempo total necesario para toda la ruta es $t=t_1+t_2=20+6.67=26.67\ \text{s}$ .

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3 years ago

Band of colors produced when white light is separated into all its colors

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Color spectrum, that rainbow of colors that appears when white light is refracted into a prism to separate all colors of visible light. Basically a rainbow.

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4. The winding ridge of a screw

ZanzabumX [31]

Answer:

Thread.

Explanation:

The most common form consists of a cylindrical shaft with helical grooves or ridges called threads around the outside.

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3 years ago