# Category: Physics

### Stephen William Hawking

Stephen William Hawking (1942 – 2018) was the former Lucasian Professor of Mathematics at the University of Cambridge and author of A Brief History of Time which is an international bestseller. He was the Dennis Stanton Avery and Sally Tsui Wong-Avery Director of Research at the Department of Applied Mathematics and Theoretical Physics and Founder …

### Imagine if you have a small child

Imagine if you have a small child (and some really do have it). And your child asks a typical child question “Why the grass is green.” You have 4 answers: 1. “Because. At you the ice cream already drips ” 2. In a hastily invented explanation (automatically solves a problem with a question about the …

### Table of content

Table of content: 1- Introduction 2- Oscillation 2-1 Simple Harmonic Motion and Hooke’s Law 2-1-1 Harmonic Motion and Hooke’s Law 2-1-2 Mass-spring Oscillator 2-1-3 Simple Pendulum 2-1-4 Simple Harmonic Motion 2-1-5 Energy in Simple Harmonic Motion 2-2Damped Oscillations 2.3 Forced Oscillations and Resonance 3- Wave motion 3-1 Definition of Wave 3-2 Types of Waves 3-3 …

### All classes based on their internal composition: mesons

All particles can be classified into two broad categories: leptons and hadrons. The main difference between the two is whether they interact through the strong interaction. Hadrons are particles that interact through all four fundamental interactions of nature, which include, strong, electromagnetic, weak, and gravitational interactions. Hadrons, the strongly interacting particles, can be further subdivided …

### If there is a unicorn of the dessert world it would have to be Baked Alaska

If there is a unicorn of the dessert world it would have to be Baked Alaska. Everyone has heard of it but few have ever seen it in real life. Probably because it has three components that make it difficult to make at home. It is a circle of cake that is topped with a …

### A bottle rocket is very simple to design and create

A bottle rocket is very simple to design and create, but the science behind it is a little more difficult to understand. Once you have a perfect model of your rocket, you must be able to shoot it high into the air. The air pressure in the bottle becomes unbalanced with the water, so when …

### PiIn of a circle is determined by

PiIn mathematics, Pi is the symboldenoting the ratio of the circumference of a circle to its diameter. The ratio is approximately 3.14159265, pi being an irrational number (one that cannot be expressed as a simple fraction or as a decimal with a finite number of decimal places) and a transcendental number (one without continuously recurrent …

### ayEnglish a gross inaccuracy and insulting to

ayEnglish 101Final PaperEuthanasia is a topic that provokes as much controversy as capital punishment, primarily because it is irreversible. The question of euthanasia being right or wrong is one that most would prefer left alone. However, recent publicity on changes to existing laws has ignited considerable discussion and has forced open the door to a …

### INFOrmal believe that, ashumans, we will all initially

INFOrmal Essay (Ver. 1.3) Joe Lee October 9, 1998 Aftera moving experience a night ago, when I attended theshowing and the discussion – the lecture, if you will – of themovie Night and Fog I have truly, without even a hint of anironic tone, made great revelations to myself. In thediscussion, mention was made to …

### Physics the passengerâ€™s upper torso which has

Physics Homework Pg 109 #20, 27, 37, 41 20. A car traveling at 53 km/h hits a bridge abutment. A passenger in the car moves forward a distance of 65 cm with respect to the road while being brought to rest by an inflated air bag. What magnitude of force assumed constant acts on the …

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