Physics Essays

The rapid development of high voltage direct current (HVDC) and the increasing amount of distributed renewable energy sources are stimulating engineers and researchers to think towards the future of DC grids. Unfortunately, the integration of renewable energy source raised stability concerns amongst others issues [1]. Currently DC technology based on …

On August 6, 1945 the US dropped an atomic bomb (“Little Boy”) on Hiroshima in Japan. Three days later a second atomic bomb (“Fat Man”) was dropped on the city of Nagasaki. These were the only times nuclear weapons have been used in war. Reasons for the bombing Many reasons …

Some ageing experiences are different. Some people develop serious problems of ageing but some people have few problems. Ageing can involve the physical changes are:* The skin becomes thinner and more wrinkled* The person may lose weight* Bones become more brittle* Muscles become weaker* Vision might weakerCardiovascular system – the …

In April 2018, it was the first time I attend to the class of physical education in college. I have not taken PE class for a long time after I graduated from secondary school. I am curious and confuse about why we need to have PE class in college. However, …

A situation could be that you are trying to give directions or instruction to a young person but they are unable to use verbal communication for example: • Hearing Impairment- A young person that has a hearing impairment in one or both ears. • Learning and speech impediment- A young …

Lack of activity destroys the good condition of every human being, while movement and methodical physical exercise save it and preserve it’ – Plato According to WHO (World Health Organization), 322 million people, or about 4.4% of the global population, were suffering from depression in 2015. The figure was higher …

Vacuums produced by Electrolux are relatively expensive as compared to the other brands in the market. So, the company is facing a situation where the consumers perceive their products are very high priced. It is like that because the vacuums of Electrolux cost 700$ which is very costly for the …

Honey is defined as the natural sweet substance produced by Apis mellifera bees from the nectar of plants or from secretions of living parts of plants or excretions of plant-sucking insects on the living parts of plants, which the bees collect, transform by combining with specific substances of their own, …

Now a days physical appearance is more important than being true to yourself as a human. If you’re a person who has beautiful or handsome face with a perfect body figure or posture you’re being acknowledge by everyone and If you’re ugly your being discriminate, people will judge and criticize …

Objective: To measure the acceleration of a freely falling body (g) fairly precisely using a Picket Fence and Photogate. Materials: LabQuest, LabQuest App, Picket Fence, Vernier Photogate, clamp or ring stand. Procedure The Photogate was fastened rigidly to a ring stand so the arms could extend horizontally, and so that the entire length …