3 years ago

What does the atomic number respresent? (From my science homework)

Physics

1 answer:

MrMuchimi3 years ago

8 0

It represents where it is located in the periodic table and how many protons a element has.

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A long, straight wire of radius R carries a steady current I that is uniformly distributed through the cross section of the wire

vitfil [10]

Answer:

When $r \ge R$

$B = \frac{ \mu_o * I}{ 2 \pi r }$

When $r< R$

$B = [\frac{\mu_o * I }{ 2 \pi R^2} ]* r$

Explanation:

From the question we are told that

The radius is R

The current is I

The distance from the center

Ampere's law is mathematically represented as

$B[2 \pi r] = \mu_o * \frac{I r^2 }{R^2 }$

$B = \frac{ \mu_o}{2 \pi } * \frac{r}{R^2}$

When $r \ge R$

=> $B = \frac{ \mu_o * I}{ 2 \pi r }$

But when $r< R$

$B = [\frac{\mu_o * I }{ 2 \pi R^2} ]* r$

4 0

3 years ago

When learning a new exercise what is the first thing you should focus on?

Brums [2.3K]

Answer:

If your form is correct (b)

3 0

2 years ago

Read 2 more answers

Which is an example of a wedge?<br> a. bowl<br> b. spoon<br> c. fork<br> d. knife

elixir [45]

The answer is d.... Knife.

Hope this helped :)

3 0

3 years ago

The Earth revolves around the Sun once a year at an average distance of 1.50×1011m. Find the orbital radius that corresponds to

DedPeter [7]

Answer:

$9.4\cdot 10^{10} m$

Explanation:

We can solve the problem by using Kepler's third law, which states that the ratio between the cube of the orbital radius and the square of the orbital period is constant for every object orbiting the Sun. So we can write

$\frac{r_a^3}{T_a^2}=\frac{r_e^3}{T_e^2}$

where

$r_o$ is the distance of the new object from the sun (orbital radius)

$T_o=180 d$ is the orbital period of the object

$r_e = 1.50\cdot 10^{11} m$ is the orbital radius of the Earth

$T_e=365 d$ is the orbital period the Earth

Solving the equation for $r_o$ , we find

$r_o = \sqrt[3]{\frac{r_e^3}{T_e^2}T_o^2} =\sqrt[3]{\frac{(1.50\cdot 10^{11}m)^3}{(365 d)^2}(180 d)^2}=9.4\cdot 10^{10} m$

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3 years ago

Jackson wants to fit into last year's Halloween costume, but he has been building muscle and has gained a few healthy pounds sin

katrin [286]

It would be A. Because think of the explanations Jasons friend could say to them that would be a negative 'statement'.

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3 years ago