Question

Frieda the fly flaps its wings back and forth 120 times each second. Calculate the time period
and frequency of the wing flapping.

Answer 1

The time period  and frequency of the wing flapping are 8.34 ms and 120 Hz respectively.

Explanation:

Given that, Frieda the fly flaps its wings back and forth 120 times each second. We need to find its time period and frequency of the wing flapping.

We know that the number of oscillation per second is called frequency of an object. Here, it wings 120 times each second. It will be its frequency.

The time period is given by :

$T=\dfrac{1}{f}\\\\T=\dfrac{1}{120}\\\\T=8.34\times 10^{-3}\ s\\\\T=8.34\ ms$

So, the time period  and frequency of the wing flapping are 8.34 ms and 120 Hz respectively. Hence, this is the required solution.

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