A tuning fork is struck, and the tips of the prongs (tines) are initially displaced 0.4 mm from their natural position at rest. The prongs oscillate at 440 Hz under damped harmonic motion. The sound is no longer audible once the displacement is less than 0.1 mm . What is the damping factor if the sound is no longer audible after 4.0 sec ? Round to 2 decimal places.
A tuning fork is struck, and the tips of the prongs (tines) are initially displaced 0.4 mm from their natural position at rest. The prongs oscillate at 440 Hz under damped harmonic motion. The sound is no longer audible once the displacement is less than 0.1 mm . What is the damping factor if the sound is no longer audible after 4.0 sec ? Round to 2 decimal places.
Solution Summary: The author calculates the damping factor of a tuning fork and round 2 decimal places if the sound is no longer audible.
A tuning fork is struck, and the tips of the prongs (tines) are initially displaced
0.4
mm
from their natural position at rest. The prongs oscillate at
440
Hz
under damped harmonic motion. The sound is no longer audible once the displacement is less than
0.1
mm
. What is the damping factor if the sound is no longer audible after
4.0
sec
? Round to
2
decimal places.
An aircraft spotter on the ground observes a plane flying towards her at a constant altitude of
400 meters. She notes that when the angle of elevation from her to the plane is, this angle is
increasing at a rate of 2 radians per minute. How fast was the distance between the spotter and
final answer.
the plane changing at that instant? Keep two decimal places in your
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