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DNA replication is the process through which two new strands of DNA are synthesized from the original molecule and predominantly occurs in the S phase of the cell cycle prior to mitosis. To put it simply,...

This is a typical mechanics question in an AS/A-level exam and uses the principles of SUVAT and projection.

• We can try to calculate the maximum height reached first using the veritical compon...

Ask student what causes charge, i.e. motion of electrons.

So answer is that electrons move away from the object leaving it positively charged, or move onto a neutral object leaving it negatively ch...