Category: Physics

What is the best rpm for fuel economy? Shifting up at 2,000 rpm (1,500 rpm for diesel) gives the best mix of speed and economy. On an automatic with manual shift, short shift to save fuel. The heavier the car, the greater will be its thirst. Does displacement affect gas mileage? Generally speaking, the higher […]

Is cellular respiration a form of combustion? Although cellular respiration is technically a combustion reaction, it clearly does not resemble one when it occurs in a living cell because of the slow, controlled release of energy from the series of reactions. What are four major differences between combustion and respiration? Difference Between Respiration and Combustion […]

What cycles are caused by the movement of Earth and its moon? The moon’s gravity causes the oceans to rise in some places and fall in other places. Because the Earth and the moon are always moving, tides rise and fall each day on different parts of the Earth at different times. There are two […]

Which word is the antecedent Samuel looked all around the room for his shoes? Samuel looked all around the room for his shoes. Antecedent: Samuel. This answer has been confirmed as correct and helpful. What’s the definition of antecedent? An antecedent is a phrase, clause, or word that is later referred back to by an […]

What are some problems in science? 7 Major problems science is facing: A survey overview Financial crunch in academia. Researchers face perpetual struggle to secure and sustain funding. Poor study design in published papers. Lack of replication studies. Problems with peer review. The problem of research accessibility. Lack of adequate and accurate science communication. Stressful […]

What are the 3 products of light dependent reactions? The products of the light-dependent reactions, ATP and NADPH, have lifespans in the range of millionths of seconds, whereas the products of the light-independent reactions (carbohydrates and other forms of reduced carbon) can survive for hundreds of millions of years. What are the end products of […]

What impact did Sigmund Freud have on psychology? Sigmund Freud was an Austrian neurologist who is perhaps most known as the founder of psychoanalysis. Freud developed a set of therapeutic techniques centered on talk therapy that involved the use of strategies such as transference, free association, and dream interpretation. What does it mean if something […]

Can buoyancy be downwards? When a body is fully or partially submerged in a fluid, a buoyant force from the surrounding fluid acts on the body. This force is directed upward and has a magnitude equal to the weight of the fluid displaced by the body. 1, in which the net hydrostatic force points downward. […]

What are two ways physicists model the physical world? Answer Expert Verified Answering the question, three examples of ways that physicists model the physical world include: Diagrams. Equations. Computer simulations. What are three ways to summarize a complicated situation physics? In summarizing the complicated situation, one must (1) look for different things in attacking the […]

How much magnesium should I take for migraines? The American Migraine Foundation suggest taking a 400–500 milligram (mg) supplement of magnesium oxide daily to prevent migraines. Some researchers think that magnesium’s effectiveness as a preventive against migraines increases when a person takes higher doses — over 600 (mg) — for at least 3 to 4 […]