Use two analogies to describe quantized change.

Answers

Answer 1

Answer:

The two analogies that I used to describe quantized change are;

- Notes on a Piano

- Digital Clock

Quantized change is simply means that the change is definite under certain restrictions such as the gears in our cars. This means that change comes in discreet amounts.

The 2 analogies that I can use to describe it are as follows;

1) Notes on a Piano; When we are turn on a piano, the notes on the piano are fixed and as such we can only play the notes that the keys can hit.

2) Digital clock; The representation of time in digital clocks is in terms of numbers which can be said to be discrete variables.

Read more at; brainly.com/question/12508919

Answer 2

Answer:

Answer:

See explanation

Explanation:

1) A flight of stairs because there is a specific number of steps one may take at a particular time. That is, the number of steps that can be taken at a given time is not continuous.

2) The gear system of a car: The gear system of a car can only take whole number integer values. It is not continuous and only one level of gear can be attained at a given time.

14.71 g/cm³

Explanation:

The density of a substance can be found by using the formula

$density = (mass)/(volume) \n$

volume = final volume of water - initial volume of water

volume = 36.5 - 31.4 = 5.1 mL

But

1 mL = 1 cm³

5.1 mL = 5.1 cm³

From the question we have

$density = (75)/(5.1) \n = 14.705882..$

We have the final answer as

14.71 g/cm³

Hope this helps you

If it takes 54ml of 0.1 m naoh to neutralize 125 ml of a hcl solution with unknown concentration, what is the concentration of the hcl?

Answers

the balanced equation for the reaction between NaOH and HCl is as follows
NaOH + HCl ---> NaCl + H₂O
stoichiometry of NaOH to HCl is 1:1
number of NaOH moles reacted - 0.1 mol/L x 0.054 L = 0.0054 mol
number of HCl moles reacted = number of NaOH moles reacted
since the molar ratio of acid to base is 1:1
therefore number of HCl moles reacted - 0.0054 mol
the number of moles of HCl in 125 mL - 0.0054 mol
therefore number of HCl moles in 1000 mL - 0.0054 mol / 125 mL x 1000 mL
number of moles of solute in 1000 mL is known as the molarity concentration
concentration of HCl is 0.0432 M

What two aspects of a force do scientists measure?a. position and size
b. size and stability
c. magnitude and direction
d. strength and magnitude

Answers

Answer: option c. magnitude and direction

Explanation:

1) Force is a vector: it has magnitude and direction.

2) Magnitude measures the "intensity" of the force. It is measured in newtons (N), in the SI (international system of units). One newton is the force exerted to confere an acceleration of 1 m/s² to a mass of 1 kg.

3) Telling the magnitude of the force is not enough information to understand what the force is and to predict its effect.

It is necessary to tell the direction in which the force is applied.

It is not the same a force of 10 N that pulls that the same magnitude pushing. And it is not the same a hhorizontal force of 100 N to move an object, than the same magnitude applied at an agle.

That is why the force must be measured and reported as a magnitude and a direction.

4) Examples of forces correctly reported are:

i) 100 N vertically upward

ii) 1000 N 20° to the east of the north.

iii) 0.2 N with an elevation angle of 50°.

Then, scientists must measure the magnitude and the direction of the force.

1. The answer is C.
It is the magnitude and the direction that the scientist considered to measurethe aspect of force.
=> Magnitude can be describe in 3 terms.
In mathematics it is considered as the relative size of an object.
IN Astronomy, it is considered as the measure of brightness and differences ofbrightness in astronomy study
And in earthquake, it is a measure of the energy of earthquake.
=> Direction is a course or anexplicit instruction where a certain object move.

Before free oxygen gas became abundant in the oceans and atmosphere, it reacted with a metal and produced what type of formations?a. the ionosphere
b. the ozone layer
c. banded iron formations
d. stromatolites

Answers

Before free oxygen gas became abundant in the oceans and atmosphere, it reacted with a metal and produced banded iron formations.

Answer;

Banded iron formations

Before free oxygen gas became abundant in the oceans and atmosphere, it reacted with a metal and produced banded iron formations.

Explanation;

Cyanobacteria are thought to have introduced oxygen into the early atmosphere. This was important because oxygen played a key role in the evolution of eukaryotic organisms creating an ozone layer to shield life from UV rays.
Banded iron layers were formed in sea water as the result of oxygen released by the photosynthetic cyanobacteria. As the photosynthetic organisms released oxygen, the available iron in the Earth's oceans precipitated out as iron oxides.

What is the speed of a man that travels 2 meters in 6.5 seconds?

Answers

Answer:

≈ 0.31 m/s

Explanation:

v = d/t

= 2m/6.5s

= 0.3079 m/s

≈ 0.31 m/s

Answer:

0.305556 m / s

Explanation:

Speed = distance / time

2 metres = 0.002 km

6.5 sec = 0.00180556 hrs

Therefore,

Speed = 0.002 / 0.00180556

= 1.1 km / hr

= 0.305556 m / s

Which of the following indicates a Web site's country of origin is Canada? A. .uk
B. .ka
C. .us
D. .ca

Which of the following best describes spam?
A. A program that's not compatible with your browser
B. A program that will give your computer extra power
C. Electronic junk mail
D. Computer viruses