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.
Use a sine function to graph a sound wave with a period of 0.003 second and an amplitude of 2 pascals
A rotating light is located 13 feet from a wall. The light completes one rotation every 3 seconds. Find the
rate at which the light projected onto the wall is moving along the wall when the light's angle is 15
degrees from perpendicular to the wall.
wall
T
light
feet per second
Answer is a positive value. Give your answer accurate to at least one decimal place.
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