Answer:
-730KJ
Explanation:
According to the first law of thermodynamics;
Let the total energy of the system be ∆E
Let heat be q and let work the w
Since the energy decreases ∆E is negative
Since work is done on the system w= positive
So;
- 250 = 480 + q
q = -250 - 480
q=-730KJ
I got transitional and rotational motion on my test
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Answer:
Explanation:
From the question we are told that:
Initial pipe length
Final pipe length
Generally the equation for Frequency f is mathematically given by
Where
And
V=speed of sound in air
Therefore