Category: Physics

Why does your hair stand on end when you touch a Van de Graaff? When the Van de Graaff generator starts charging, it transfers the charge to the person who is touching it. Since the person’s hair follicles are getting charged to the same potential, they try to repel each other. This is why the […]

What insolent means? 1 : insultingly contemptuous in speech or conduct : overbearing. 2 : exhibiting boldness or effrontery : impudent. Is insolent a bad word? adjective. boldly rude or disrespectful; contemptuously impertinent; insulting: an insolent reply. What does hypocrisy mean? Hypocrisy is the practice of engaging in the same behavior or activity for which […]

How do I stop my jet ski from flipping? Flipping The Jet Ski. Avoid abrupt movements: The most common way to capsize a jet ski is by making a turn too abruptly. Make sure to turn gradually until you get a good feel for how the jet ski handles. How dangerous are jet skis? When […]

What type of meter is 3 2? 3/2 and 3/8 are also simple triple. 4/4 time is classified as simple quadruple due to its four beats which can be divided into two notes. 4/2 and 4/8 are also simple quadruple. Notice that a time signature in simple meter will always have a 2, 3, or […]

Are there fish in man made ponds? Rare Fish Show Up in Man-Made Ponds. Scientists in Southern California have discovered a mysterious booming population of endangered desert pupfish in man-made research ponds designed for an entirely different purpose. How do man made ponds get fish? A pond that forms near other ponds may receive new […]

How many years can you claim solar tax credit? Unfortunately, the 26% ITC is not a refundable credit. However, per Section 48 of the Internal Revenue Code, the ITC can be carried back 1 year and forward 20 years. This means that if you had a tax liability last year but don’t have one this […]

Will steroids help a bacterial infection? Unlike the anabolic steroids used to bulk up muscle, corticosteroids are often used to treat inflammation related to infectious diseases, such as bacterial meningitis. Used against other infectious diseases, however, steroid therapy has been shown to be ineffective or even harmful. Can an infection get worse while on antibiotics? […]

How do machines help us in everyday life? Simple machines make the things in everyday life work. These simple machines are used in more complex devices every day, making tasks much easier. Simple Machines. Simple machines make tasks simpler by reducing the amount of effort it takes for humans to perform certain tasks. What are […]

Why does everything seem so quiet after a snowfall? But there’s science behind the silence as well. That’s because snow absorbs sound, so when a fresh blanket of snow covers the landscape it absorbs many of the sound waves, making it seem quieter outside, according to AccuWeather. Those spaces absorb sound waves, creating a quieting […]

What is transistor action? So in a NPN Transistor it is the movement of negative current carriers (electrons) through the Base region that constitutes transistor action, since these mobile electrons provide the link between the Collector and Emitter circuits. How many electrons are there in a transistor? There are about 6.24×1018 electrons per Coulomb, so […]