Physics Essays

Introduction The employment of alternative energy has become an important issue in the current world because other forms of energy have caused significant harm to the environment because of emission of dangerous impurities. Some policy makers suggest the use of fossils, natural sources or energy while others suggest the use …

Introduction Public utilities are required to comply with regulations whether at state level or at municipal level. Those who support a deregulated utility system argue that it increases market power, enhance competition and bring market stabilization. As a result of the introduction of holding companies policy, private utilities have come …

Much of the lighting in both homes and offices is done by four-tube fluorescent arrangements of fixtures that are combined together although each two separate two-tube unit is an independent entity. They use same ballast, but work independent of each other. If one of the pairs is removed from the …

Introduction Since 1980s the market is taking a new environmental orientation. Every other company is going green in its operations and products. This has emanated from the increased consumer awareness of the effects human activities on the environment. As the world economy goes green, corporations have led the way, perhaps …

Growth of populations and expectations of rising living standards indicate that the use of energy in the currently developing world will pass and rapidly outstrip that of the industrial world of today. Source depletion and environmental impact will depend on the way the energy ratio of the rising economies develops. …

Introduction: Heat & temperature are the indispensable variables of our existence. A just about perfect (optimum) temperature on Earth allowed the Evolution of life here. In addition, we can say that heat is“energy in transition”. Always flowing like a fluid from high temperature to low temperature. Industrially speaking, there is …

Acknowledgement The students’ wish to extend their appreciation and gratitude to the following persons who gave some of their valuable contribution toward the completion and success of this study. To our parents and relatives who gave us permission, advices, and suggestions towards the completion of our project. To our English …

I. INTRODUCTION A shadow can be seen when an object blocks the light. The light wasn’t able to reach the surface. That’s why it appears black. But in fact, not all shadows are black. In only appears that way because only one color is present. In this investigatory project, we …

Mousetrap car is a very good illustration of conversion of energy. The energy for moving the car comes from the mouse trap. It is stored as spring potential energy. This is finally converted to kinetic energy of the moving car. Building the mouse trap car is about converting the potential …

            The historical development of science often depends upon the contributions of individual scientists and researchers who being unaware of each other oftentimes work within the same field. Such phenomenon is not deductive to any of the scientists’ credit but complimentary to his or her thoughts manifestations. In other word, …