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3 years ago

Why does carpet produce static electricity more than hardwood floors?

Physics

2 answers:

NeX [460]3 years ago

7 0

Answer:

The carpet has a buildup of electrons in it that get released onto your body when you rub across the floor while the hardwood doesn't have electrons built up inside of it.

Explanation:

I study that

DiKsa [7]3 years ago

4 0

Carpet produce more static electricity because the rubbing on the carpet release negative charge, called electrons, which can build up on one object to produce a static charge. For example, when you shuffle your feet across a carpet, electrons can transfer onto you, building up a static charge on your skin.

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I would like help with this physics problem

Darina [25.2K]

(a) This is a freefall problem in disguise - when the ball returns to its original position, it will be going at the same speed but in the opposite direction. So the ball's final velocity is the negative of its initial velocity.

Recall that

$v_f=v_i+at$

We have $v_f=-v_i$ , so that

$-2v_i=at\implies-2\left(8\,\dfrac{\mathrm m}{\mathrm s}\right)=\left(-2\,\dfrac{\mathrm m}{\mathrm s^2}\right)t\implies t=8\,\mathrm s$

(b) The speed of the ball at the start and at the end of the roll are the same 8 m/s, so the average speed is also 8 m/s.

(d) The position of the ball $x_f$ at time $t$ is given by

$x_f=x_i+v_it+\dfrac12at^2$

Take the starting position to be the origin, $x_i=0$ . Then after 6 seconds,

$x_f=\left(8\,\dfrac{\mathrm m}{\mathrm s}\right)(6\,\mathrm s)+\dfrac12\left(-2\,\dfrac{\mathrm m}{\mathrm s^2}\right)(6\,\mathrm s)^2=42\,\mathrm m$

so the ball is 42 m away from where it started.

We're not asked to say in which direction it's moving at this point, but just out of curiosity we can determine that too:

$x_f-x_i=\dfrac{v_i+v_f}2t\implies42\,\mathrm m=\dfrac{8\,\frac{\mathrm m}{\mathrm s}+v_f}2(6\,\mathrm s)\implies v_f=6\,\dfrac{\mathrm m}{\mathrm s}$

Since the velocity is positive, the ball is still moving up the incline.

8 0

3 years ago

Calculate the linear momentum (in kg · m/s) of a pickup truck that has a mass of 1035 kg and is travelling eastward at 31.0 m/s.

Musya8 [376]

Answer:

32085 kg.m/s is the correct answer..

8 0

3 years ago

In physics, a field refers to a quantity that has a value for every point in a space. In a sense, a field is like a function in

enyata [817]

Answer:

Explanation:

a ) Temperature at ground level is a field and it is scalar field .At any point in space near ground level , the temperature is specific so it is a field . It is scalar because temperature has no direction .

b )

Wind velocity at 100 feet above the ground is also a field but it is a vector field . At any point in space , the wind velocity is specific so it is a field . It is vector because velocity has a particular direction at any point .

c )

Gravitational force on Roessler Hall is a vector field because gravitational force also depends on location in space and it has direction.

d )

Height of a person in your group is not a space because it does not depend upon location is space . It is same for all location .

e )

Height (above sea level) of the ground is a field because it also depends upon location in space . It is scalar field .

f )

Slope of the surface of the earth is a scalar field .

3 0

3 years ago

Charged low pressure refrigeration machines may be most efficiently leak checked by

Irina-Kira [14]

<span>Pressurize the system by the use of controlled hot water or heater blankets Much like warming cushions, electric blankets utilize a protected wire or warming component embedded into a texture that warms when it is connected to. The temperature control unit, situated between the cover and the electrical outlet, deals with the measure of current going into the warmth components in the cover.</span>

6 0

3 years ago

¿Cuál es la constante de proporcionalidad entre Y y X2?

djyliett [7]

This isn’t anything related to physics dude

5 0

3 years ago