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Physics for Audio Engineering Test 1 questions & right answers.
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Physics for Audio Engineering Test 1 questions & right answers.
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Physics for Audio Engineering Test 1questions & right answers.
Unit for position ANS - meters (m)
Unit for time ANS - seconds (s)
Unit for mass ANS - kg
Unit for velocity (v) ANS - meters per second (m/s)
unit for acceleration (a) ANS - meters per second squared
Unit for Force (F) ANS - kg x m / s^2 (Newtons) (N)
Unit for Pressure (p) ANS - N / m^2 (Pascal) (Pa)
Linear Restoring Force ANS - A force that is linearly proportional to the distance of the object from the
equilibrium position.
-Force that acts to bring an object BACK to an equilibrium position.
Hookes Law ANS - F=-kx
Force equals the negative spring constant times the displacement.
Newton's Second Law ANS - F=ma
, Hookes law and Newtons second law means... ANS - kx=ma
Natural Frequency of Oscillation ANS - ω sub 0 = √(k/m)
Angular Frequency (Fundamental) ANS - ω = 2πf
ω is radions per second
Angular Frequency ANS - f=1/2π √(k/m)
Periodic Motion ANS - motion repeated in equal intervals of time
where restoring force is directly proportional to magnitude of displacement
Equation for Harmonic Motion ANS - 𝑥 (𝑡 )= A cos (𝜔0 𝑡 + 𝜙)
𝜙 is phase
equation for period ANS - T=1/f
Threshold of human hearing ANS - 20 pa
0dB
Damping ANS - the gradual loss of amplitude of an oscillator
Without damping, amplitude can increase infinitely
Resonance ANS - the process by which an object is made to vibrate by absorbing energy at its natural
frequencies
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