Category: Physics

What are two ways to determine energy expenditure? Energy expenditure can be estimated by measuring macronutrient or oxygen consumption, or heat production or carbon dioxide production. Most measurement approaches in use today involve the measurement of oxygen consumption and/or production of carbon dioxide via indirect calorimetry. What are the components of energy expenditure? Total energy […]

Why do players use leather gloves when playing baseball? A baseball glove or mitt is a large leather glove worn by baseball players of the defending team, which assists players in catching and fielding balls hit by a batter or thrown by a teammate. Why do baseball players leave index finger out? Infielders who keep […]

Can you breathe oxygen 17? Oxygen 17 is an isotope of oxygen. Oxygen-17 exists in nature as well and its possible you are currently breathing it and you do drink it ! Oxygen 17 is rare stable isotope of oxygen. It is having eight protons and nine neutrons; it amounts to 0.037% of the element […]

Are ionic structures strong? Ionic compounds have regular structures, called giant ionic lattices . In a giant ionic lattice, there are strong electrostatic forces of attraction acting in all directions between the oppositely charged ions. The structure and bonding of ionic compounds explain their properties . Why do giant ionic structures dissolve in water? To […]

How do you find the flux of a curved surface? The flux associated with the base of the hemisphere is ϕ=-EπR2 (negative as it is the incoming flux). Hence, the same amount of flux wil be associated with curved surface, but the sigh of the flux will be positive as it is as outgoing flux. […]

What is a good sentence for the word prediction? Prediction sentence example. The carefully recorded prediction was verified by the siege of 1529. This prediction was speedily fulfilled. It is evident that we have in this law a definite prediction that can be tested by experiment. Is prediction a skill? Predicting is also a process […]

Why was the Pure Food and Drug Act passed quizlet? 1906 – Forbade the manufacture or sale of mislabeled or adulterated food or drugs, it gave the government broad powers to ensure the safety and efficacy of drugs in order to abolish the “patent” drug trade. Still in existence as the FDA. Who enforces the […]

Should your hands be in front of the golf ball at address? At address, your hands should be slightly in front of the ball – exactly where you want them to return when you make contact. If it is cupped at address, you’ll be more likely to flip your wrists in the downswing and scoop […]

What do infrared colors mean? In any thermogram, the brighter colors (red, orange, and yellow) indicate warmer temperatures (more heat and infrared radiation emitted) while the purples and dark blue/black indicate cooler temperatures (less heat and infrared radiation emitted). In this image, the bright yellow area indicates the electrical fault. What color is infrared 23? […]

What happens if you breathe in fiberglass insulation? Fiberglass Exposure Airborne fiberglass particles may become lodged in the eyeball, under the eyelid, or in the corners of the eye, causing painful irritation. When inhaled, these particles can cause irritation of the throat, nasal passages, and mouth, as well as coughing, nosebleeds, and other respiratory problems. […]