All categories

3 years ago

Which of the following pairs of elements is most likely to form an ionic bond?

Physics

1 answer:

ser-zykov [4K]3 years ago

4 0

Answer: the answer is D. Aluminum and nitrogen

Explanation:

You might be interested in

Riddle of the day What is so fragile that saying its name breaks it?

anyanavicka [17]

answer:

The answer to this specific riddle is silence.

-- please mark the brainliest and click the thanks button if correct :)

6 0

3 years ago

Read 2 more answers

A 2.00 kg object is attached to a spring and placed on frictionless, horizontal surface. Ahorizontal force of 18.0 N is required

velikii [3]

Answer:

6 rad/s

Explanation:

In a spring the angular frequency is calculated as follows:

$\omega=\sqrt{\frac{k}{m} }$

where $\omega$ is the angular frequency, $m$ is the mass of the object in this case $m=2kg$ , and $k$ is the constant of the spring.

To calculate the angular frequency, first we need to find the constant $k$ which is calculated as follows:

$k=\frac{F}{x}$

Where $F$ is the force: $F=18N$ , and $x$ is the distance from the equilibrium position: $x=0.25m$ .

Thus the spring constant:

$k=\frac{18N}{0.25m}$

$k=72N/m$

And now we do have everything necessary to calculate the angular frequency:

$\omega=\sqrt{\frac{k}{m} }=\sqrt{\frac{72N/m}{2kg} }=\sqrt{36}$

$\omega=6rad/s$

the angular frequency of the oscillation is 6 rad/s

7 0

4 years ago

At which moon position would a person on Earth see the entire half of the moon(full-moon)?

jeka94

Sun-earth-moon in a straight line. Earth in the 'middle'.

3 0

3 years ago

Read 2 more answers

What happens to our bodies if we do not eat nutritious meals? give three reasons.

Sedaia [141]

3 things that happen to our body when we don't eat nutritious meals:

1. It can lead to bad eating habits that may cause obesity or diabetes

2. It can also cause heart disease and cancer

3. it can also make you more tired, and may contribute to stress.

8 0

3 years ago

Read 2 more answers

You blow across the open mouth of an empty test tube and producethe fundamental standing wave of the air column inside the testt

sertanlavr [38]

Answer:

(a). The frequency of this standing wave is 0.782 kHz.

(b). The frequency of the fundamental standing wave in the air is 1.563 kHz.

Explanation:

Given that,

Length of tube = 11.0 cm

(a). We need to calculate the frequency of this standing wave

Using formula of fundamental frequency

$f_{1}=\dfrac{v}{4l}$

Put the value into the formula

$f_{1}=\dfrac{344}{4\times0.11}$

$f_{1}=781.81\ Hz$

$f_{1}=0.782\ kHz$

(b). If the test tube is half filled with water

When the tube is half filled the effective length of the tube is halved

We need to calculate the frequency

Using formula of fundamental frequency of the fundamental standing wave in the air

$f_{1}=\dfrac{v}{4(\dfrac{L}{2})}$

Put the value into the formula

$f_{1}=\dfrac{344}{4\times\dfrac{0.11}{2}}$

$f_{1}=1563.63\ Hz$

$f_{1}=1.563\ kHz$

Hence, (a). The frequency of this standing wave is 0.782 kHz.

(b). The frequency of the fundamental standing wave in the air is 1.563 kHz.

6 0

4 years ago