2 (a)Explain what is meant by weight.…… [1](b)Fig. 2.1 shows a system of two pulleys with one pulley fixed to the ceiling but free to rotate.The other pulley is attached to a load.ceiling fixed pulley rope●11.5°force11.5°moving pulley甲load Fig. 2.1 (not to scale) A force ...
(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...
What is meant by data analysis and interpretation? Does measurement error in the dependent variable cause bias in the estimated coefficients? Please explain. Explain the relative mean deviation. Determine whether the following statement is true or false: In multiple...
Answer to: Explain what is meant by "standard" in standard cell potential. By signing up, you'll get thousands of step-by-step solutions to your...
What is the relationship between the labour efficiency variance and the variable overhead efficiency variance? Why might the monetary value be different? 题型:简答题 查看答案 Explain the meaning and relevance of interdependence of variances when reporting to managers. 题型:简答题 查看答案 A balance...
8 (a)Explain what is meant by each of the following terms and describe one example of each:discontinuous variation,...continuous variation.[7](b)Name the molecule that controls production of proteins in each body cell of a human and describe its importance in inheritance.[3][Total: 10] 相...
(a)1 evaporation of water from leaf / stem / plant;2 diffusion of water vapour;3 through stomata;4 down concentration gradient;any three - 1 mark each(b)1 temperature rise increases the rate of transpiration /evaporation / ORA;2 warm air can contain more water (vapour)/ ORA;3 increases...
Answer to: Explain what is meant by economic goods and free goods, and provide examples of economic goods and free goods. By signing up, you'll get...
Answer to: Explain what is meant by convergent evolution. Provide an example. By signing up, you'll get thousands of step-by-step solutions to your...
athree police officers who teied to save the children were beaten back by the intense heat and smoke from the fire 正在翻译,请等待... [translate] awhat is in the drawer? 什么在抽屉?[translate] aDO you remember WHAT DAY IS TODAY? 您记得得今天星期几?[translate] ...