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Bess [88]
3 years ago
8

Quantities that can be described completely by their magnitude or size are called vector quantities.

SAT
1 answer:
gogolik [260]3 years ago
8 0

In physics, there are two types of quantities

  • Scalar quantity
  • Vector quantity

Scalar quantities are quantities that have magnitude but no direction. Examples of such quantities include speed, pressure, etc

Vector quantities are quantities that have both magnitude and direction. Examples of such quantities include velocity, acceleration etc.

Vector quantities are represented by an arrow over the position of the object to denote its direction.

Learn more on vector quantities here: brainly.com/question/356987

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ibuprofen, c13h18o2, is a common medicine for treating mild pain, fever, and inflammation. a concentrated stock solution of 0.02
pickupchik [31]

Answer:

26.2ml

Explanation:

This is a delusion calculation. But before performing the delusion we need to know the concentration the polarity of the original solution. The original solution was prepared by taking .021 mg of ibuprofen and dissolving it in one mil leader. So to calculate the concentration, we need to take the moles of ibuprofen, which can be calculated by taking the milligrams divided by 1000 to get grams and then divided by the molar mass to get moles and dividing the moles of ibuprofen by the leaders of the solution. One mil leader can be calculated, Can be converted into a leader by dividing by 1000. We then get a polarity of 1.018 times 10 to the negative for Mueller Than to carry out the dilution. We have a 1.018 times 10 to the negative for Mueller solution and one mil leader of it. We want to prepare 375 times 10 to the negative six molar solution. And so we need to figure out what the new total volume will be Rearranging. This equation gives us a total volume of 27.15 million l but we already have one mil leader of solution. So we need to add to that The 27.15 -1 or the 26.15 ml. The answer then of the choices available would be 26.2 ml

6 0
2 years ago
A 10 kg box initially at rest is pulled 32 meters across a horizontal, frictionless surface by a 40 n force, as shown in the dia
Alex787 [66]

The final velocity of the bock over the given distance is 12m/s.

Acceleration of the block

The acceleration of the block is calculated as follows;

F = ma

a = F/m

a = 40/10

a = 4 m/s²

hope this helps <3

5 0
2 years ago
You get a C on your psychology exam. Given this scenario, describe and give an example of an upward comparison, a downward compa
Elza [17]

Answer:

For this given question, when a student have a Grade C, his first thinking is, if his peers also got the same grade.

He derives a satisfaction (self serving bias) by thinking that in this situation, many are in his shoes too. when he thinks about those that performed better and in an upper/higher level he feels they are always up there no matter the situation, and he tries to console himself.

For those in the lower level or downward comparison, he thinks he is better than them, so this thoughts of him motivates him, thereby having a sense of superiority over others.

Explanation:

When a student gets a grade C, the first thing in his mind are those who also got the same grade as him.

He wants to get a satisfaction by thinking that many are in same level as he is. When he thinks of those in the upper or higher level he notice that those who are in the upper level are always in the higher position. But he always tries to make the whole scenario to favor of him. he thinks that those who are in A and B grade should always perform better. But in regards to their position he does not think so.

Naturally there was no situation favorable in improve the grade.

Also,when he thinks of the lower level he thinks that he is in better position since many are in down in position. this encourages him and a sense of superiority over others works in this case.

6 0
4 years ago
Read 2 more answers
If a+5=b, then what is the value of (b−a)4?<br><br><br> (15 POINTS AND FREE BRAINIEST ANSWER!!)
Fynjy0 [20]
A+5=b
5=b-a
4(b-a) = 4(5)=20
6 0
3 years ago
Read 2 more answers
In an experiment, one group of participants ate ice cream that was packaged in a red carton and another group of participants at
Trava [24]

The independent variable (cause) is the color of the carton, which is green.

<h3>The types of variables.</h3>

In an experiment, there are two (2) main types of variables and these include:

  • Dependent variable
  • Independent variable

<h3>What is an independent variable?</h3>

An independent variable can be defined as the variable that is being manipulated by an experimenter or researcher. Thus, it is typically considered to be <u>the cause</u> in an experiment.

In this scenario, the independent variable (cause) is the color of the carton, which is green.

Read more on experiment here: brainly.com/question/17216882

5 0
3 years ago
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