Weekly Questions in the general area of testing. And answers.
If you keep a clock on the surface of the floor, the direction in which the minute and second hands move is the direction in which the girl spins. And this up and down movement plus spinning movement can be represented in a sinosidal wave form.
If you keep a clock on the surface of the floor, the direction in which the minute and second hands move is the direction in which the girl spins. And this up and down movement plus spinning movement can be represented in a sinosidal wave form.
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