Answer:
The frequency is
Explanation:
From the question we are told that
The frequency of the tuning fork is 
The beat period is 
Generally the beat frequency is mathematically represented as


The beat frequency is also represented mathematically as

Where
is the frequency of the piano
So
Ли делать лазерную коррекцию в России и Казахстана в том числе в области образования и культуры и д на русском для
Answer:
true
Explanation:
if you apply force to the top of a square it will not move