3 years ago

Which statement best explains why the overall charge on an atom is zero?

1 answer:

3 0

A: The positive charge if the protons in the nucleus equals the negative charge in the electron cloud.

Protons are positive, electrons are negative, and neutrons have no charge/are neutral

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Power can be define as what

Jobisdone [24]

An exponent

For example the power in $5^{2}$ is the 2. It is how many times the 5 is multiplying itself. In this case 5 would multiply itself 2 times.

So... not 5 x 2, but 5 x 5

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3 years ago

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what different forms of energy are demonstrated by tv remote, flashlight, string lol ights, clock, and Toys

Contact [7]

Answer:

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Explanation:

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3 years ago

a straight wire that is 0.60m long and carrying a current of 2.0a is placed at an angle with respect to a magnetic field of stre

Rashid [163]

Answer:

The angle is $\theta = 30^o$

Explanation:

From the question we are told that

The length of the wire is $l = 0.60 \ m$

The current is $I = 2.0 \ A$

The magnetic field strength is $B = 0.30 \ T$

The magnitude of the magnetic force is $F _b = 0.18 \ N$

Generally the magnetic force exerted on the wire is mathematically represented as

$F_b = I * l * B * sin \theta$

Making $\theta$ the subject

$\theta =sin^{-1} [ \frac{ F_b }{I * l * B } ]$

substituting values

$\theta =sin^{-1} [ \frac{ 0.18 }{ 2.0 * 0.6 * 0.3 } ]$

$\theta = 30^o$

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3 years ago

What do electrons carry and then deposit when it goes from a battery to a light bulb?

Nataliya [291]

Answer:

I think the answer is a negative charge because electrons move through the filament which means they lose a lot of energy. I hope this helps

Explanation:

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3 years ago

What kind of energy is called mechanical energy?

Fittoniya [83]

Answer:

can be called kinetic or potential energy

Explanation:

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