Physics Essays

Question no 9) A package is dropped from a helicopter moving upward at 15m/s If it takes16 sec before the package strikes the ground, how high above the ground was the package when it was released if air resistance is negligible? Ans) 1000m Question no. 11) If A -B = …

1. Write the basic equation for Photosynthesis (Ps). 2. Some students define Ps as the process by which plants use light energy as food. Discuss if this is a correct statement that would likely be accepted by an AP Biology Exam Reader. 3. Contrast and compare an absorption spectra versus …

Everywhere around the world, cars are used throughout in most people’s everyday life. From just going to the super market across the road, and going across the country boarder, cars are one of the most essential sources of item, to live a typical life style in developed countries. And although …

What is Physical Education and how can we educate others about it? I’m sure that my philosophy of physical education will always be evolving as I gain more incite and experience into the world of physical education. As of right now I believe physical education is knowledge of both the …

The rates of reaction of Alkali metals and Alkaline Earth meatals are compared in this lab. The pH of each of the resulting metal solutions are tested and the products of the reaction between calcium and water is discovered. The tested elements are sodium, lithium, potassium and calcium and each …

Tsunamis are killing unprecedented numbers of people… Coastal cities are sinking from increasing water levels… Godzilla may rise from the deep and wreak havoc on humankind… And such are just some of the outcomes that air pollution may bring… Hold it! I know-we’ve heard this all a million times! But …

Since the enthalpy value is negative, it means that energy is lost, probably due to heat to the surrounding, which in this case was the water. Since it gives away energy, it is an exothermic reaction. The value of -40 kJ ± 7 kJ can be supported by the literary …

Aim:The aim of this practical is to investigate the effect of exercise on heart rate and breathing rate. We will use a digital heart rate monitor strapped on our chest while we perform different levels of exercise. A digital watch is also provided which receives signals from the heart rate …

Of all of the many scientists who played a major role in the formation of the atomic theory, it is believed that Dalton, Rutherford, Thompson, Bohr, and Planck are the five most influential. The research of this theory has gone on for many years and each and every one of …

In the middle of summer the heat was so miserable that our family had decided to go and cool off at the local swimming pool. It was so hot that day, when you stepped outside you instantly felt the heat and started to drip sweat. The sun was so hot …