Based on the most widely accepted scientific explanation, elements began to form shortly after the big bang. Which of the follow
2 answers:
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When two sound sources of the same amplitude and similar frequencies f₁ and f₂ are played at a time, beats are produced with a frequency given by:
Since the guitar player wants to hear 9 beats in 2 seconds, then:
Then, the pitches that can be used are those whose difference with respect to the frequency of 343Hz is 4.5Hz:
Therefore, the pitches he could bend the string to, are 347.5Hz and 338.5Hz.
The units for G must be
Explanation:
The magnitude of the gravitational force between two objects is given by:
where
F is the force
G is the gravitational constant
are the masses of the two objects
is the separation between the objects
We know that:
- The units of F are Newtons (N)
- The units of
are kilograms (kg)
- The units of
are metres (m)
So, we can rewrite the equation in terms of G, to find its units:
Learn more about gravitational force:
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Complete Question
The complete question is shown on the first uploaded image
Answer:
Explanation:
From the question we are told that
The tension is
The length of the wire is
The mass is
Generally the frequency is mathematically represented as
=>
=>
