Category: Physics

What is an example of zero correlation? A zero correlation exists when there is no relationship between two variables. For example there is no relationship between the amount of tea drunk and level of intelligence. What does a correlation of indicate? A correlation is a statistical measurement of the relationship between two variables. A zero […]

Which format for a cell name is correct? The first character must be a letter, an underscore, or a backslash. No spaces are allowed in a range name. The range name should not be the same as a cell address. For example, you can’t name a range U2 or UB40, but BLINK182 and ABBA are […]

What does it mean when chromosomes condense? Chromosome condensation is the dramatic reorganisation of the long thin chromatin strands into compact short chromosomes that occurs in mitosis and meiosis. At which phase of mitosis do the sister chromatids become daughter chromosomes? anaphase During which phase of mitosis do the chromatids become chromosomes quizlet? During which […]

What are the methods of data interpretation? In this part, we will look at the two main methods of interpretation of data: with a qualitative and a quantitative analysis….Other signature interpretation processes of quantitative data include: Regression analysis. Cohort analysis. Predictive and prescriptive analysis. How many types of data analyst are there? four What are […]

Why do I have a voltage reading when light switch is off? Just to recap, a “phantom voltage” is where a wire from a switch to a light or outlet runs next to a permanently live wire, when the switch is off, the AC voltage in the other wire can induce a voltage in the […]

Is current density scalar or vector? Despite being the ratio of two scalar quantities, current density is a vector. And the reason is, because it is. Well… actually, it’s because current density is defined as the product of charge density and velocity for any location in space… Is electricity a vector quantity? Vector of scalar? […]

Is holding your hand over a hot plate radiation? For best results enter two or more search terms….Thermal Energy: Radiation, Convection, Conduction. Question Answer touching a burning tree: conduction touching a hot plate: conduction moving hand over hot food: convection moving hand over hot pole: convection Where does heat go that your body gives off? […]

What do scientists disagree about global warming? No. By a large majority, climate scientists agree that average global temperature today is warmer than in pre-industrial times and that human activity is the most significant factor. Today, there is no real disagreement among climate experts that humans are the primary cause of recent global warming. What […]

What is L in Reynolds number? The Reynolds number id denoted by Re. L = length or diameter of the fluid. Reynolds number formula is used to determine the velocity, diameter and viscosity of the fluid. What do you mean by turbulent and laminar flow? Laminar flow or streamline flow in pipes (or tubes) occurs […]

How can I hydrate myself quickly? If you’re worried about your or someone else’s hydration status, here are the 5 best ways to rehydrate quickly. Water. While it likely comes as no surprise, drinking water is most often the best and cheapest way to stay hydrated and rehydrate. Coffee and tea. Skim and low fat […]