2 (a) State what is meant by work done.---[1](b) A beach ball is released from a balcony at the top of a tall building. The ball falls vertically from rest and reaches a constant (terminal) velocity. The gravitational potential energy of the ball decreases by 60J as it f...
What is meant by 这句话的意思是:请问这是什么句式和语法?meant 又是怎么用的? 答案 这里meant 是mean 的被动语态.例(1):主动语态:“Forthrightness” means what?被动语态:What is meant by “forthrightness”?例(2):主动语态:Rita writes a letter.被动语态:A letter is written by Rita.例(...相关...
This iswhat is meant bythinking in terms of the majority. 这就是照顾多数的观点. 互联网 I am not even certainwhat is meant byplacental fluid. 我甚至不确定“胎液”到底指的是什么. 互联网 First,what is meant byanguish? 首先, 痛苦是什么意思?
What is the definition of amine salts? What is the meaning of the term "proton" as used in chemistry? Explain what is meant by the following statement: "The properties of the substances around us depend on the atoms and molecules that compose them." ...
What is meant by adaptive radiation?AdaptationAn adaptation is a feature or trait that an organism has that allows it to survive in its environment. Having the same skin color as the surroundings is an adaptation; it allows you to be camouflaged and so hide from your predators....
7 (a) State what is meant by simple harmonic motion.[2](b) A small ball rests at point P on a curved track of radius r, as shown in Fig. 7.1.curved track,radius r XFig. 7.1The ball is moved a small distance to one side and is then released. The horizontal displacement x o...
(i) Explain what is meant by an ideal gas.[2](ii)Given po= atmospheric pressure Pm = pressure due to the mercury column T= temperature of the trapped gas n = number of moles of the trapped gas A = cross-sectional area of the tube Show that (P , D ) × 0.1 9 0= nRT[1](i...
In order to understand, however imperfectly, what is meant by "face", we must take (1) of the fact that, as a race, the Chinese have a strongly (2) instinct. The theatre may almost be said to be the only national amusement, and the Chinese have for theatricals a (3) like that ...
Speciation is the process by which new, unique species develop during the progression of evolution. It happens when a population with a homogeneous...Become a member and unlock all Study Answers Start today. Try it now Create an account Ask a question Our experts can answer your tough ...
What is mean by wave motion? What is meant by saying charge is conserved? What is electromagnetism and how does it work? Explain the LCR circuits. What is flux? What is the role of loose electrons in heat conductors? What are equipotential lines?