As indicated by distance in physics? Interesting examples

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2018-04-01 03:28:11

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The Theme is dedicated to those students who have physics first year. Here we talk not only about how distance is denoted by in physics, but also about other interesting things. Let this subject be interesting for all sections and themes.

What does it –?

In physics, every physical quantity has its own symbol (symbol or Latin, or Greek letter). All this is done in order to make it simpler and avoid confusion. Agree, you can sluchitsa when writing in a notebook, about this phrase: distance = speed x time. And physics very and very many different formulas with many parameters. Meanwhile, both the square and cubic values. So which letter is denoted by a distance in physics? Outset that there are two types of designations, as the distance and length have the same size and same units of measure. So, “S” is the designation. Would you find a letter in the puzzles or formulas from the section “Mechanics”.formula distance physics

Believe me, solving problems is no big deal. But provided that you know the math and have time for her. You will need knowledge on operations with fractions, numeracy, open parenthesis, solve the equation. Without such skills in physics will be very difficult.

Examples

What is distance? As indicated by the distance, in physics, we already learned about. Now let's deal with the concept.

Imagine that you are standing in front of his house. Your task-to walk to school. The road all the time video. To go from the power for about two minutes. From the front door to the school doors 200 metres away. This is the distance. How will the description of your walk from home to school?

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S=200 m.

Why do not we write "meters", and was limited only to a letter? Because that's what the abbreviated letter designation. A little later we will get acquainted and with other parameters that are associated with distance.which letter is denoted by a distance in physics

Now imagine that the path from home to store winding. If you look at a map of your neighborhood, you will see that to the shop from the house the distance is the same as to school. But why is the path so long? Because the road is not straight. You have to cross at a traffic light, around a huge house and only you get to the store. In this case, the actual distance will be much greater. In geometry and physics, this means “crooked road”. And a straight line – it's just pure distance, if you go through the wall. You can still lead by example and with a man who goes to work.

What is the distance?

The Concept of "distance" can not exist by itself, it must play some role. For example, you are riding a bike to school, not walking, because I'm late. As we said earlier, our path to the school direct. You can safely go on the sidewalk. Of course, if to navigate on foot, it'll take longer than to travel by bike. What's the deal here? It is, of course, talking about the speed with which the move. Later we will see a formula which will tell you how to find the distance. Physics – a science which has something to calculate. Agree, I wonder just how fast you ride a bike? If you know the exact distance to school and travel time, you will find and speed.

So we have two options:

T – time

V – speed.as indicated by distance in physics

It will be much more interesting if you learn to work with formulas and find the unknown using fractions. Recall only a rule of math: all of that is beside the unknown is in the denominator (that is, fractions down). For example, the formula of the distance (physics) – the product of time and speed. And at other times – a fraction. Look at the picture, which shows how to find distance, speed and time. Definitely practice and understand how to get these formulas. All should be only from the laws of mathematics, nothing invented in the formulas are not. Let's practice (no peeking): what letter is denoted by a distance in physics?

What is measured?

Hopefully, you remember marking the main variables that describe them. It's time to learn the units of measurement. Here, too, will have to exercise your memory to remember. It is important to know not only as is indicated by a distance in physics, but also time, speed. But this is only a small issue. Then it will be harder. Let's get started:

S – distance-meter, kilometer [m], [km];

V – speed-meters per second, kilometers per hour [m/s] [km/h] (in the case of space velocities can be used kilometer per second;

T – time – second, minute, hour [s], [min],[h].how to find distance in physics

Please note, as indicated by the speed. Properly, fraction. Now imagine this: S/t=m/s or S/t=km/h. this is where there was a fraction. In the international system of units SI these options have a value meter, second, meter per second.

We figured out, as indicated by distance in physics, considered the time and speed that goes with it.


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Alin Trodden - author of the article, editor
"Hi, I'm Alin Trodden. I write texts, read books, and look for impressions. And I'm not bad at telling you about it. I am always happy to participate in interesting projects."

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