Category: Physics

Where do fuses go in Christmas lights? Holiday lights usually have cartridge fuses in a small compartment in the cord plug behind a sliding door. Learning how to change a fuse in Christmas lights is simple, but if your strand of lights does not appear to have accessible fuses, move on to step 4. Open […]

How do you find a variable in an equation? If the equation is in the form, ax + b = c, where x is the variable, you can solve the equation as before. First “undo” the addition and subtraction, and then “undo” the multiplication and division. Solve 3y + 2 = 11. Subtract 2 from […]

What are some really weird facts? 65 Facts So Weird You Won’t Believe They’re True There’s a company that turns dead bodies into an ocean reef. The name “bonobo” resulted from a misspelling. There is an annual Coffee Break Festival. You can buy a flying bicycle. Dolphins sleep with one eye open. Vacuum cleaners were […]

What is the basic principle for increasing friction? The basic principle for increasing friction is by increasing the roughness of the surfaces in contact. What is principle of friction? 1) The force of friction always acts in a direction, opposite to that in which the body tends to move, if the force of friction would […]

What is the difference between hold relax and contract relax? 2. Contract-relax. Another common PNF technique is the contract-relax stretch . It is almost identical to hold-relax, except that instead of contracting the muscle without moving, the muscle is contracted while moving. Which type of stretching has the highest risk of injury? Ballistic stretching What […]

What feature of a Rossby wave would change if the wavelength is doubled? What feature of a Rossby wave would change if the wavelength was doubled? The amplitude would double. Is red low frequency? red light has a lower frequency than blue light. Why can’t humans see radio waves? Infrared waves are a portion of […]

Is current electrons per second? Electrical current is the flow of charge through a circuit. It is defined as the number of coulombs (1 Coulomb = 6.25 x 1018 electrons) of charge passing a point per second. Electric current has the symbol I and the unit A (Amps). How many electrons per second does an […]

What is the first element in the universe? hydrogen What is the lightest element in the universe? Hydrogen What is the strangest element? The most weird and wonderful elements in the periodic table Krypton (Atomic number: 36) Curium (Atomic number: 96) Antimony (Atomic number: 51) Copernicium (Atomic number: 112) Bismuth (Atomic number: 83) How do […]

Is 400 miles to a tank good? Most gas cars don’t make it 400 miles Basically, you need a gas tank size of 13 gallons and an average mpg of 31 to hit – just barely – the 400-mile range mark. At a tank size of 14 gallons, you need to hit 29 mpg, at […]

Does each nostril go to each lung? Did you know that your nose and mouth are connected? Your nose connects to the back of your mouth through two tubes. The air you breathe in goes from your mouth and nose down to your trachea and into your lungs. What do humans inhale and exhale? When […]