Physics

Prime objective of this lecture is to present on Sun: Energy Path. Sun path refers to the apparent significant seasonal-and-hourly positional changes of the sun as the…

Basic objective of this lecture is to present on Measuring Motion: Speed and Acceleration. Example; Measuring Distance: Meter – international unit for measuring distance. Calculating Speed: Speed (S) =…

General objective of this lecture is to present on Properties of Motion. There are three types of Properties of Motion: Displacement; Velocity and Acceleration. Displacement is the distance…

Free-Fall Motion means an object moving under the influence of gravity only. Any object that is being acted upon only by the force of gravity is…

Isaac Newton was the first to connect the concepts of force and mass to produce acceleration. This lecture briefly explain Newton’s Second Law of Motion. Newton’s second…

This lecture focus to describe on History of Space Travel (1957- 2006). In the 1950s; during the Cold War the USA and the USSR competed in everything…

The sun’s energy has been used for centuries to: Dry clothes and Dry meats. Plants use solar energy to make food through a process called…

The Sun that dominates our daytime sky and provides the thermal energy necessary to support life on Earth is of course — a star. Its…

Main purpose of this lecture is to present on Structure of Sun. The sun has six layers. Three layers, the corona, chromosphere, and photosphere, comprise the sun’s…

The Sun is an ordinary middle-sized star. The sun creates energy by nuclear fusion in its core. The visible surface of the Sun is called…

Primary purpose of this lecture is to present on Properties of Sun. Here briefly summarize the overall properties of the Sun; Where does the light we…

Newton’s second law provides an explanation for the equal accelerations of freely falling objects of various masses. Acceleration is equal when air resistance is negligible. Acceleration…