Question

Ahummingbird flaps its wings 639 times every 48 seconds. What is the frequency of wingbeats?

Answer 1

Given data

The number of times wing is flapped by the hummingbird is N = 639

The duration of the flipping wing is T = 48 seconds

The expression for the frequency of the wingbeats is given as:

$f=\frac{N}{T}$

Substitute the value in the above equation.

$\begin{gathered} f=\frac{639}{48} \\ f=13.3125\text{ Hz} \end{gathered}$

Thus, the frequency of wingbeats is 13.3125 Hz.