The frequency of fransuerse vibrations on stretched string is 150 HP2. If the tension is increased four times & length is reduced to one fourth of original values, the frequency of wibrations. Ⓒ75Hz @ 300+12 @ 1200112 @ 1800 H₂
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- A sway pole is used by aerialists for acrobatic tricks. A sway pole consists of a long thin pole fixed at one end designed such that an aerialist can sway and perform tricks at the end of the pole. What is the natural frequency, in hertz, of a 50-lb aerialist at the end of a 7.5 meters steel (E = 2x10^11 KPa) pole of 100 mmdiameter?2. Consider the system of a harmonic oscillator with retarding force -21UX , restoring force -kx, and driven force 8 e-iwt, The equation of motion if written as A. 8(mä + 21UX – kx) = cos ôt + i sindt В. 218(mä + 21Ux + kx) = cos wt- i sinwt С. (mä - Ux - kx) = cos ôt +i sindt 218 D. (mä + 21UX + kx) = cos wt –-i sinwt Е. (më + 21UX + kx) = cos wt + i sinwt F. (mä + Ux + kx) = cos wt – i sinot G. (mä – 21UX – kx) = cos ôt – i sindt O A O B O D O FThe air pressure variations in a sound wave cause the eardrum to vibrate. A) Find the maximum velocity of the eardrum for vibrations of amplitude 5.15 × 10−8 m at a frequency of 20.0 Hz. m/s B) Find the maximum acceleration of the eardrum for vibrations of amplitude 5.15 × 10−8 m at a frequency of 20.0 Hz.in m/s^2 C) Find the maximum velocity of the eardrum for vibrations of amplitude 5.15 × 10−8 m at a frequency of 20.0 kHz. in m/s D) Find the maximum acceleration of the eardrum for vibrations of amplitude 5.15 × 10−8 m at a frequency of 20.0 kHz. m/s^2
- TRANSVERSE WAVES: FREQUENCY OF VIBRATION L= 50 cm m or u = 0.039 ст f, experimental (Hz) Number of segments, n Tension (dynes, g-cm/s²) 1.55 (1) (2)1 a. For the sign below, find the amplitude, the value of the period, the frequency f and the phase 0. x (t) = A cos (2rft + 0) 10 SE -185 -0.4 -0.3 -0.2 -0.1 0.1 02 0.3 0.4 0.5Final Answer must be decimal or whole number only!!!