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Scalar Product (Dot Product) of Vectors 150 150 SchoolTutoring Academy

Scalar Product (Dot Product) of Vectors

In scalar product of vectors, the vector components are combined to give a scalar. The scalar product of two vectors is the product of the component of one vector (in the direction of the other vector) and the second vector. The scalar product is mostly used in Physics. The scalar product is also known as…

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Fundamentals of Matter 150 150 SchoolTutoring Academy

Fundamentals of Matter

Everything that you can see around you is made up of matter. Matter is anything that occupies space and mass. Matter is made up of tiny particles called atoms. Atoms are so tiny that they cannot be seen with naked eye. In fact, it is not possible to see atoms even with the most powerful…

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The Human Body: Nutrition 150 150 SchoolTutoring Academy

The Human Body: Nutrition

Nutrition is very important for nourishment of the body and protection against aliments. The supply of food that organisms eat is  important for the cells in the body to survive.  In science and human medicine, nutrition is the science or practice of consuming and utilizing foods. In hospitals, nutrition may refer to the food requirements…

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Linear Equations: Point of Intersection of Lines 150 150 SchoolTutoring Academy

Linear Equations: Point of Intersection of Lines

The point of intersection of two or more lines is a point which lies on all the given lies. It means the equations of all the given lines must be satisfied by the intersection point. This point of intersection of lines is called the “point of concurrency”.  Finding this point of concurrency of two lines…

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The Ins and Outs of Mood: Verbs 150 150 Suzanne

The Ins and Outs of Mood: Verbs

On a grammatical level, there are four major moods, and they determine how verbs get used. There is the imperative mood which expresses a request or gives a command: Let’s take a walk. Walk! Both are complete sentences and only a verb can be used properly as a one word, stand-alone sentence. There is the…

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Cognitive Fridays: Priming and its Effects 150 150 Suzanne

Cognitive Fridays: Priming and its Effects

Priming is one of the most common influences upon students, and possibly one of the least discussed. Priming is a psychological reality of life – we are all primed in advance of all the things we do with the words that we see and hear. From a business perspective, the concept is fairly straightforward –…

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English and Grammar: More Homophones 150 150 Suzanne

English and Grammar: More Homophones

Here is another collection of commonly confused homophones, words that sound alike but have different spellings, and, different meanings. Stationary vs. Stationery Stationary is an adjective, describing motionlessness.  The stars in the night sky appear stationary, but are in fact hurtling through the cosmos at tremendous speed. Stationery is a noun, used to mean office…

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Mathematics: Conditional Probability 150 150 SchoolTutoring Academy

Mathematics: Conditional Probability

Probability: Probability is the chance of occurring an event in a random experiment. In an experiment, the probability of happening an event E is denoted by P(E) and is defined as the ratio of number of elements in the event E to the number of elements in the sample space S. So, P(E) = n(E)/n(S),…

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Arithmetic and Geometric Means 150 150 SchoolTutoring Academy

Arithmetic and Geometric Means

For any two numbers a and b, we can insert a number A between them such that a,A, b are in arithmetic progression.  Here, A is called the arithmetic mean of a and b. Since a,A,b are in arithmetic progression, we have A-a = b-A 2A = a+b A = (a+b)/2. Example: Find the arithmetic…

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Commonly Confused Homophones 150 150 Suzanne

Commonly Confused Homophones

Homophones are words that sound identical, but are spelled differently and have different meanings. The following are definitions of some commonly confused homophones, followed by simple mnemonic tricks that writers can use to double check whether they are using the correct forms for the correct meanings. Principle vs. Principal A principle is used only as…

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