An athlete completes a full round around circular track of
radius 40m in 20s. Calculate the average speed and
average velocity
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Explanation:
A polyatomic ion, also known as a molecular ion, is a covalently bonded set of two or more atoms, or of a metal complex, that can be considered to behave as a single unit and that has a net charge that is not zero. Unlike a molecule, which has a net charge of zero, this chemical species is an ion.
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