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3 years ago

Does a neutrally charged object even have a charge?

2 answers:

8 0

“Charged objects have an imbalance of charge - either more negative electrons than positive protons or vice versa. And neutral objects have a balance of charge - equal numbers of protons and electrons. The principle stated earlier for atoms can be applied to objects. Objects with more electrons than protons are charged negatively; objects with fewer electrons than protons are charged positively.

In this discussion of electrically charged versus electrically neutral objects, the neutron has been neglected. Neutrons, being electrically neutral play no role in this unit. Their presence (or absence) will have no direct bearing upon whether an object is charged or uncharged. Their role in the atom is merely to provide stability to the nucleus.”

Hope this helps a bit.

!! (Credits to The Psychics Classroom) !!

Bas_tet [7]3 years ago

5 0

Neutral objects have a balance of charge - equal numbers of protons and electrons. ... Their presence (or absence) will have no direct bearing upon whether
an object is charged or uncharged.

I hope this would be helpful

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Which molecule has charges that are free to move around?

borishaifa [10]

A polar molecules have charges that are free to move around

6 0

4 years ago

A car wheel turns through 277° in 10.7 s. Calculate the angular speed of the wheel.

slava [35]

Answer:

The angular speed of the wheel is 0.452 rad/s

Explanation:

The angle through which the car wheel turns, Δθ = 277° = 277/360 × 2·π radian

The time it takes for the car wheel to turn, Δt = 10.7 s

The angular speed, ω is given by the following equation;

$Angular \ speed = \dfrac{Change \ in \ angular \ rotation }{Change \ in \ time} = \dfrac{\Delta \theta}{\Delta t}$

Substituting the known values for Δθ and Δt gives;

$Angular \ speed = \dfrac{\dfrac{277 ^{\circ}}{360 ^{\circ } } \times 2 \times \pi \ radian}{10.7 \ seconds} \approx 0.452 \ rad/s$

The angular speed of the wheel = 0.452 rad/s

3 0

3 years ago

lines of latitude a. run from north to south b.start greenwitch,greenland c. are parallel to the equator d.indicate magnetic dec

kenny6666 [7]

The answer is C.
they run east to west which makes them parallel to the equator and they measure distances north and south.
I hope this helps.

4 0

4 years ago

Read 2 more answers

How does gravity maintain the the atmospheric layer around earth ?

HACTEHA [7]

Answer:

Our atmosphere is a mixture of gases that surround Earth. It is kept in place by the pull of Earth's gravity. If Earth was a much smaller planet, like Mercury or Pluto, its gravity would be to weak to hold a large atmosphere

Explanation:

5 0

3 years ago

Which change decreases the resistance of a piece

nika2105 [10]

Explanation :

We know that the resistance of the wire is given by :

$R=\rho \dfrac{l}{A}$

Where

$\rho$ is the resistivity

l is the length of the wire

A is the area of the wire.

Another factor on which the resistance of wire depends is temperature. It is given by :

$R=R_{ref}[1+\alpha (T-T_{ref})]$

So, it is clear that the resistance of the wire is directly proportional to the temperature. It we want to decrease the resistance of the piece, its temperature should be decreased.

So, the correct option is (3) " decreasing the wire’s temperature ".

8 0

4 years ago