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4 years ago

The overall charge of the nucleus is _____ a. positive b. negative c. neutral

2 answers:

5 0

The overall charge of the nucleus is POSITIVE. This is because the nucleus of an atom is made up of protons and neutrons. Protons are positively charged particles while neutrons are neutrally charged particles which means it has no charge and cannot effect the protons electric charge in any way. Therefore, since the only effective charge is positive, we can conclude that the nucleus is also positive.

Let me know if you need anything else. :)

~ Dotz

Dmitriy789 [7]4 years ago

5 0

The answer is positive

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You are driving on the highway, and you come to a steep downhill section. As you roll down the hill, you take your foot off the

Natasha2012 [34]

Answer:

air

Explanation:

The car is being slowed down by air.

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3 years ago

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Which of these events is caused by contact forces? A. Jupiter's moons staying in orbit B. high tides occurring on the East Coast

elixir [45]

Correct option: D. Earthquakes along the San Andreas fault in California.

The earthquakes occur when the two plates collide with each other. Hence, there is contact between the two plates. So, the contact forces are responsible for the earthquakes.

The force responsible for Jupiter's moons to stay in orbit or the high tides occurring on the east coast is the gravitational force, which is not a contact force as there is no contact between Jupiter and its moon or the earth and the moon which is responsible for the high tides.

Moreover, the magnetic force is a non contact force as it attracts the pins from a distance without any contact between them.

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4 years ago

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What is the impedance of an AC series circuit that is constructed of a 10.0-W resistor along with 12.0 W inductive reactance and

Schach [20]

Answer:

11.2 Ω

Explanation:

The impedance of a circuit is given by;

Z= √R^2 +(XL-XC)^2

Since

Resistance R= 10 Ω

Inductive reactance XL= 12 Ω

Capacitive reactance XC= 7 Ω

Z= √10^2 + (12-7)^2

Z= √100 + 25

Z= √125

Z= 11.2 Ω

3 0

4 years ago

Which planets are the largest ones in our solar system

Natalija [7]

Answer: Jupiter is the largest planet in our solar system

Explanation:

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2 years ago

Light enters a plane-parallel block of glass from the vacuum of space and leaves again into space through the opposite side (e.G

KatRina [158]

This question is based on the simple principle of the refraction.

Refraction is the optical phenomenon in which the light ray will change its direction when fall obliquely on a refracting surface due to the change of velocity of light in the refracting medium.

Greater the refractive index,the lesser will be the velocity of light in that medium.

As refractive index $= \frac{v_{1} }{v_{2} }$

Here $v_{1}$ is the velocity of light in first medium and $v_{2}$ is the velocity of light in second medium.

In case of light travelling from space to the medium we may write

$\mu=\frac{c}{v}$ where c is the velocity of light.

So as long as the medium is same ,there will be no change in the velocity of light.

As per the question light was initially in space. After then the light entered into glass medium whose refractive index is more as compared to space.Hence velocity of light will be decreased .

Now the light escaped through the glass.so it again enters the same medium i.e space. Hence the velocity of light will be increased now and will be equal to 'c' now .

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3 years ago