Edexcel IGCSE Physics: Double Science 復(fù)習(xí)筆記：8.1.3 Orbital Motion Orbital Motion There are many orbiting objects in our solar system and they each orbit a different type of planetary body...
Edexcel IGCSE Physics: Double Science 復(fù)習(xí)筆記： 8.1.2 Gravitational Field Strength Gravitational Field Strength The strength of gravity on different planets after an object's weight on that...
Edexcel IGCSE Physics: Double Science 復(fù)習(xí)筆記： 8.1.1 Objects in Space Planets, Stars & Galaxies The Universe is is a large collection of billions of?galaxies It? is also the name given...
Edexcel IGCSE Physics: Double Science 復(fù)習(xí)筆記：7.3.5 The Conditions for Fusion Fusion in Stars Stars are huge balls of (mostly)?hydrogen?gas In the centre of star, hydrogen atoms undergo?nu...
Calculating Binomial Probabilities Throughout this section we will use the random variable . For binomial, the probability of a?X? taking a non-integer or negative value is always zero. Therefore a...
Edexcel IGCSE Physics: Double Science 復(fù)習(xí)筆記：7.3.4 Nuclear Fusion Nuclear Fusion Small nuclei can react to release energy in a process called?nuclear fusion Nuclear fusion is defined as: ...
Edexcel IGCSE Physics: Double Science 復(fù)習(xí)筆記：7.3.3 Nuclear Reactors Chain Reactions Only one extra neutron is required to induce a uranium-235 nucleus to split by fission During the fissi...
Edexcel IGCSE Physics: Double Science 復(fù)習(xí)筆記：7.3.2 Nuclear Fission Nuclear Fission Nuclear fission is defined as: The splitting of a large, unstable nucleus into two smaller nuclei...
Edexcel IGCSE Physics: Double Science 復(fù)習(xí)筆記：7.3.1 Nuclear Energy Nuclear Energy The nucleus of the atom contains a huge amount of energy – roughly one million times greater than the amou...
