Category: Physics

What is perturbation technique? A mathematical technique to eliminate linear terms in an equation in order to retain the nonlinear (turbulence) terms. Variables such as potential temperature (θ) or velocity (U) can be partitioned into mean (slowly varying) and perturbation (rapidly varying) components. Why do we use perturbation? Perturbation is used to find the roots […]

How do you solve C to F? F° to C°: Fahrenheit to Celsius Conversion Formula To convert temperatures in degrees Fahrenheit to Celsius, subtract 32 and multiply by . 5556 (or 5/9). What is the Celsius value for 212 F? 100 degrees C. What is the meaning of 212 F? Section 212(f) gives the President […]

What are 3 types of electrical circuits? Electric Circuit -Types of Electric Circuit. There are 5 Main Types of Electric Circuit – Close Circuit, Open Circuit, Short Circuit, Series Circuit and Parallel Circuit. What is the principle of electric bell? A bell works with the principle of working of electromagnetism. When the switch is pushed […]

Does PTSD show up on a brain scan? Brain scans can be very helpful in getting a PTSD diagnosis. Two studies published by the research team at Amen Clinics showed that brain SPECT imaging is able to differentiate PTSD from TBI with a 94% accuracy rate. Is PTSD considered a permanent disability? Post-traumatic stress disorder […]

Why do narcissists avoid answering questions with straight answers? Narcissists don’t answer questions because they like it when you are confused and uncertain. So rather than give you any sort of clarity, they either don’t answer at all, or they only offer very vague answers. Or, in some cases, they’ll say something that is completely […]

What is Arcsin equal to? arcsin sin30 = 0.5 Means: The sine of 30 degrees is 0.5 arcsin 0.5 = 30 Means: The angle whose sin is 0.5 is 30 degrees. How do you calculate Arcsin? arcsin is defined to be the inverse of sin but restricted to a certain range. Hence arcsin(sin(x))=x if x […]

What types of energy are released when something burns? When you burn that wood in a fireplace, chemical energy is released and converted into thermal energy (heat) and light energy. What type of energy is produced and wasted? Heat energy is the most easily dissipated form of energy. Light energy is frequently energy seen in […]

Why do I cry when I yawn? Our eyes need to stay wet, so these glands produce tears all the time to slowly release onto our eyes. When we yawn, our face muscle contract and put pressure on the tear glands. This causes them to release excess tears. Together, this means that your eyes water […]

How does oxygen enter plant cells? In the natural environment, plants produce their own food to survive. As with photosynthesis, plants get oxygen from the air through the stomata. Respiration takes place in the mitochondria of the cell in the presence of oxygen, which is called “aerobic respiration”. What triggers stomata to open? Stomata are […]

What is a simple food chain? A food chain is a linear sequence of organisms through which nutrients and energy pass as one organism eats another. In a food chain, each organism occupies a different trophic level, defined by how many energy transfers separate it from the basic input of the chain. What is bioaccumulation […]