In mechanics we deal with two types of quantities (variables): scalar and vector …

# Category: Undergraduate Engineering

In most of the practical applications, related to trigonometry, we need to calculate …

## Law of sines and cosines

Any body is characterized by its mass. Because the mass of different particles …

## The mole and Avogadro’s number

Thermal expansion is a physical property of a substance (gas, liquid or solid) …

## How to calculate thermal expansion

Before starting to convert hexadecimal numbers in decimal number, go through the following …

## Hexadecimal to Decimal Conversion

Before going through the methodology of converting a decimal number into a hexadecimal …

## Decimal to Hexadecimal Conversion

In the tutorial Integration by parts – indefinite integrals we have seen how to …

## How to calculate a definite integral

A nonlinear function can be approximated with an linear function in a certain …

## Linearization – linear approximation of a nonlinear function

The study of classical mechanics starts with Newton’s laws (principles) of motion. These laws …