Entropion
发表于 2025-3-23 13:14:12
Motion, Scalars and Vectors,The gradient of a displacement-time graph is the velocity. The gradient of a velocity-time graph is the acceleration. The area under a velocity-time graph is the distance travelled (N.B. the velocity axis must start from zero).
减少
发表于 2025-3-23 16:14:17
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Pedagogy
发表于 2025-3-23 21:14:25
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labile
发表于 2025-3-23 23:14:31
Transfer of Heat, Convection, Conduction, Radiation, the Thermos Flask and the Greenhouse Effect,Heat energy may be transferred from one place to another by conduction, convection and radiation.
arousal
发表于 2025-3-24 03:07:56
Reflection, Refraction, the Electromagnetic Spectrum, Lenses and Curved Mirrors,The angle of incidence is equal to the angle of reflection (Fig. 8.1).
男生戴手铐
发表于 2025-3-24 06:48:48
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Cosmopolitan
发表于 2025-3-24 10:52:42
Circuits, Electrical Units, Household Electricity and Electronics,When an ammeter reads 1 ampere (A), then 1 coulomb (C) of charge is flowing every second. . If a current . passes for a time ., then the charge, ., which flows is given by ..
宪法没有
发表于 2025-3-24 15:05:02
Magnetism, Electromagnetism, Motors, Dynamos and Transformers,Certain substances, including iron, steel, cobalt and nickel, are magnetic.
客观
发表于 2025-3-24 22:39:14
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姑姑在炫耀
发表于 2025-3-25 02:21:36
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