The longer or denser the pasta or marshmallow, the lower the natural frequency. The stiffer the pasta, the higher the natural frequency. Depending on these factors, each type of pasta will have its own natural frequency. The short piece of pasta will have a different natural frequency than the long piece of pasta.
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Answer:
67 kg.
Explanation:
From the question,
Total momentum = (mass of the pilot+ mass of the helicopter)×velocity.
I = (m+M)v............................... Equation 1
Where I = Total momentum of the pilot and the helicopter, m = mass of the pilot, M = mass of the helicopter, v = velocity.
make m the subject of the equation
m = (I/v)-M.............................. Equation 2
Given: I = 7200 kg.m/s, v = 60 m/s, M = 53 kg.
Substitute these values into equation 2
m = (7200/60)-53
m = 120-53
m = 67 kg.
Hence the mass of the pilot is 67 kg
Explanation/Answer:
Wind turbines are more likely to be found near rural communities due to the large requirement for space.
A wave travelling with high frequency has short wavelength and high pitched !