LuluMathLover101
03.03.2021 •
Physics
SECTION B (Structured questions) (50 marks)
Answer all the questions in the spaces provided
1. Figure 17 shows how the speed of ac varies over a short time
speed
12 16 20
Figure 17
Derent parts of the journey areABCDE
Desobe the motion of the
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Ответ:
Helium, Lithium and Boron.
Explanation: