Category: Physics

What is the relationship between atmospheric pressure and altitude? Pressure with Height: pressure decreases with increasing altitude. The pressure at any level in the atmosphere may be interpreted as the total weight of the air above a unit area at any elevation. At higher elevations, there are fewer air molecules above a given surface than […]

How do you demagnetize an LCD screen? Bring up the on-screen menu, locate the degauss option (the ohm icon), and select it. You should now hear the degaussing noise, and the screen will probably display a brief burst of color. How do I demagnetize my laptop? Close out of all programs running actively on your […]

Why is Lake effect snow so bad? The Physics of Lake-Effect Snow Cool air cannot hold as much moisture as warm air. If there is enough moisture, some of it condenses and falls as snow or rain. Is Lake effect snow dangerous? Lake Effect Snow Can Be Dangerous During the storm, more than five feet […]

What is accuracy in measurement? Definition 1: accuracy in the general statistical sense denotes the closeness of computations or estimates to the exact or true values. NOTE 3 ‘Measurement accuracy’ is sometimes understood as closeness of agreement between measured quantity values that are being attributed to the measurand. … How do you explain accuracy and […]

How do tension and compression work together? The forces of compression and tension work together to make a bridge stronger by compressing in areas and intensifying (tension) in other areas. An example is when a bridge that has a beam that has too much tension and is about to break,you can put a beam that […]

How are round trip miles calculated? How to Calculate Trip Mileage Write down your odometer mileage immediately before beginning your trip. Drive as you normally would on your trip. Arrive at your final destination and write down your total odometer reading. Use your calculator to subtract your starting odometer reading from your final odometer reading […]

Does the atomic mass increase as you move across a period? Explanation: As you move across a period, the atomic mass increases because the atomic number also increases. When the atomic number increases, this means that there are more protons and neutrons that add to the atomic mass of an atom. Which atomic property increases […]

What is the scientific method of educated guess? The hypothesis is an educated guess as to what will happen during your experiment. The hypothesis is often written using the words “IF” and “THEN.” For example, “If I do not study, then I will fail the test.” The “if’ and “then” statements reflect your independent and […]

Do Disney rides go faster at night? Zipping around on a roller coaster in the dark is great fun—and it may be just imagination, but we think it feels like Thunder Mountain goes faster at night. Because it’s so pretty at night, that’s our preferred time to ride, but you won’t miss too much if […]

What are disadvantages of fertilizers? Fertilizers have the following disadvantages: They are expensive. The ingredients in the fertilizers are toxic to the skin and respiratory system. Excessive use of fertilizers damages the plants and reduces soil fertility. Leaching occurs and the fertilizers reach the rivers causing eutrophication. What is the main disadvantage of using inorganic […]