Category: Physics

What can be done with materials which do not decay? Answer: Recycle the materials wich do nit decay. Reduces the amount of waste sent to landfills and incinerators. Conserves natural resources such as timber, water and minerals. Do banana peels whiten teeth? Unfortunately, there’s no evidence to suggest that banana peels really do whiten teeth. […]

How many subjects are on the Aspire test? five subject What is the major goal of the Aspire test? Answer. The major goal of the Aspire test is to find gaps in students’ knowledge early on and help them get ready for college by tracking their results and analyzing them looking for things that the […]

What is the importance of breathing Class 7? Breathing is taking in oxygen and giving out carbon dioxide. Cellular respiration involves release of energy by the oxidation of food and conversion of the released energy into a biologically usable form. Why do we sneeze Class 7? Answer: When we inhale air containing dust particles, the […]

What is changing the subject of a formula? When changing the subject of a formula, we rearrange the formula so that we have a different subject. In other words, if you move a term from one side of the equals sign to the other, change the operation to do the opposite. How do you change […]

Is required to start a chemical reaction? To get started, all chemical reactions require electricity. In order to begin, even reactions that release energy require an energy boost. Activation energy is called the energy required to initiate a chemical reaction. How do most inhibitors work? 10 How do inhibitors work? Most inhibitors work by preventing […]

Who first wrote the Golden Rule? 1599 Edward Topsell writes that “Do unto others” serves well instead of other things that have been called golden rules. 1604 Charles Gibbon is perhaps the first author to explicitly call “Do unto others” the golden rule. What is the Silver Rule? silver rule (plural silver rules) (ethics) The […]

Can I push my car in neutral? A car in neutral can roll. When the engine is not running, your car will lose its power steering and power braking capabilities. This means it will be very difficult to steer and brake while the car is being pushed. Use extra force when steering the wheel or […]

Which exercise is best for digestion? Here are five types of gentle exercise that may aid digestion and generally help you feel better. Yoga. For a lot of people, yoga is a spiritual practice. Tai chi. Tai chi is an ancient practice involving a series of slow-motion movements and focused deep breathing. Deep breathing. Walking. […]

Are A and B Hermitian? For A and B hermitian operators, show that AB is hermitian if and only if A and B commute. but for hermitian operators, the RHS is BA which is equal to the LHS only when 0 = AB − BA = [A,B]. Do two Hermitian operators commute? In classical mechanics […]

Which of the following is not a amorphous solid? Quartz glass (SiO2) is an amorphous solid due to its short range order of constituent particles. Note Quartz is a crystalline solid while quartz glass is an amorphous solid. This discussion on Which among the following is not an example of amorphous solids? a)Quartzb)Plasticc)Glassd)CokeCorrect answer is […]