Explain Why an Ice Skater Spins Faster When She Pulls

question 7

Essay

Explain why an ice skater spins faster when she pulls her arms in compared to when her arms are stretched straight out.

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Definitions:

Compounded Semiannually

A method of calculating interest where the accrued interest is added to the principal sum and interest is then calculated on the new total twice a year.

Monthly Compounded

Interest calculation in which the interest is added to the principal balance monthly, allowing earnings to increase at a faster rate compared to annual compounding.

Compounded Monthly

The process of calculating interest on both the initial principal and the accumulated interest from previous months, on a monthly basis.

Semiannually Compounded

A method of compounding interest where the calculation and addition of interest occur twice a year.