1+1+1+1+1+1 +1+1+1+1+1 +1+1+1+1+1 +1+1+1+1+1 +1+1+1+1+1 +1+1+1+1+1 +1+1+1+1+1 +1+1+1+1+1 +1+1+1+1+1
2 answers:
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a) 1.48 m/s
The tuning fork is moving by simple harmonic motion: so, the maximum speed of the tip of the prong is related to the frequency and the amplitude by
where
is the maximum speed
is the angular frequency
A is the amplitude
For the tuning fork in the problem, we have
, where f is the frequency
is the amplitude
Therefore, the maximum speed is
b)
The fly's maximum kinetic energy is given by
where
is the mass of the fly
is the maximum speed
Substituting into the equation, we find