Edexcel IGCSE Physics 復(fù)習(xí)筆記 5.1.2 Core Practical: Determining Density Core Practical 9: Determining Density Equipment List Resolution?of measuring equipment: 30 cm ruler = 1 mm Vernier ca...
Standard Form Standard form?(sometimes called?scientific notation?or?standard index form) gives us a way of writing very big and very small numbers using powers of 10. Why use standard form? Some n...
Edexcel IGCSE Physics 復(fù)習(xí)筆記 5.1.1 Density Density Density is defined as: The mass per unit volume of a material Objects made from?low density?materials typically have a?low ...
美國留學(xué)一年一百萬正常嗎？ 知乎上這個(gè)瀏覽量近40萬的熱門提問 引起了美本留學(xué)黨的激烈討論： “表姐在美國加州大學(xué)戴維斯分校讀書，每年花銷100w左右，有時(shí)甚至達(dá)到120w。” “我問了身邊去美國留學(xué)的朋友，表示一...
Edexcel IGCSE Physics 復(fù)習(xí)筆記 4.2.7 Comparing Energy Resources Comparing Energy Resources Each energy resource has various advantages and disadvantages associated with it A?renewable?energy...
Edexcel IGCSE Physics 復(fù)習(xí)筆記 4.2.6 Energy Resources Energy Resources Energy resources are large stores of energy that can be transferred from one form into?electrical energy?that can be us...
Finding the Constant of Integration What is the constant of integration? When finding an?anti-derivative?there is a constant term to consider In terms of?graphing?an?anti-derivative,?there are endl...
Edexcel IGCSE Physics 復(fù)習(xí)筆記 4.2.5 Power Power Machines, such as car engines, transfer energy from one type to another every second The rate of this energy transfer, or the rate of work do...
Edexcel IGCSE Physics 復(fù)習(xí)筆記 4.2.4 Work, GPE & KE Work, GPE & KE Whenever any work is done, energy gets transferred (mechanically) from one store to another This is a consequence o...
