Circular Motion 2 Flashcards

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1
Q

What is a period?

A

the time it takes for one complete revolution, measured in s/cycle SEOCNS SEONCD

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2
Q

What is frequency?

A

the number of revolutions in a given time
T=1/f OR f=1/T

from Hz (per sec) to rpm (per min)
#cycles/second x 60/1min

1 rpm = 60 Hz

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3
Q

How many Hertz is in one rpm, and what are they measured in?

A

Hz PER SECOND
rpm PER MINUTE
60 HZ per one rpm

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4
Q

Formula for speed, and what should you do?

A

Fc=2piR/T
makae sure youre working with Hz, then find T using T=1/f, then substitute
make sure you have the correct units; is speed in km/h or m/s? convert to m/s means dividing by 3.6

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