What is the period of a ball tied to a string of length 1.2 m making 4.5 revolutions every second?

Answer 1

I found #0.22# seconds.

The period is the amount of time needed to complete a revolution. Your ball makes #4.5# revolutions in #1# second so it will need: #1/4.5=0.22# seconds for only one revolution.
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Answer 2

The period of the ball tied to the string is approximately 0.222 seconds.

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Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

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