A hypnotist's watch hanging from a string swings back and forth every 0.95s. What is the frequency of oscillation in HZ
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A hypnotist's watch hanging from a chain swings back and forth every 0.79 s. What is the frequency (in Hz)
A yacht is 22.8 meters long. Express this length in feet. A hypnotist’s watch swings back and forth every .68 seconds. What is its frequency? 72.355 ft, 1.471 Hz 74.807 ft, 1.564 Hz 74.807 ft, 14.71 Hz 73.110 ft, 1.421 Hz 74.807 ft, 1.471 Hz
Question 9 [3+ (6 + 2) = 11 marks] (a) A sand pendulum consists of a funnel shaped object filled with sand and suspended from a long string (not shown) as depicted in the diagram. As the pendulum swings back and forth in simple harmonic motion the sand gradually falls from the base of the funnel through a small hole in the bottom. Predict what will happen to the period of oscillation of the pendulum as mass is gradually lost....
The end of a diving board can oscillate with a frequency of 2.9 Hz. Assume it behaves like a simple harmonic oscillator in what follows. Before we deal with the diving board, first consider you have a mass, ?m, on a spring with spring constant, ?, oscillating with a certain frequency, ? and amplitude, ?. Derive an equation for ... a) the magnitude of the maximum speed of the oscillator in terms of the frequency, ? and the amplitude of...
An experiment was conducted to test accuracy of a given frequency generator. One end of a string was connected to the frequency generator and a hanging mass was attached to the other end of the string, as shown in the Figure. In this experiment, the hanging mass and the wavelength of the standing wave were measured at a certain frequency. The hanging mass and the wavelength were (146.0 ± 0.5) g, and (84.0 ± 0.5) cm, respectively. In addition, the...
The fundamental frequency of a guitar string is 356 Hz. What is the fundamental frequency if the tension in the string is reduced by half?
The fundamental frequency of a guitar string is 388 Hz. What is the fundamental frequency if the tension in the string is reduced by half?
1. Oscillating system performs damped oscillations with frequency 1000 Hz. Determine the frequency of natural oscillations if the resonance frequency is 998 Hz. 2. Amplitude of vibrations during 5 minutes decreased by 2 times, during which time the amplitude reduced by 8 times? 3. For 8 minutes amplitude decreased 8 times. Find damping factor. 4. Determine how much resonance frequency is different from the natural oscillation frequency (1kHz) when the damping factor is 400 s decreased 20 times 6. The...
Mullewand 1) When a quitar string plays the note "A') the string vibrates at 440 Hz. What is the period of the vibration? 2) In the aftermath of an intense earthquake, the earth as a whole "rings" with a period of 54 minutes. What is the frequency (in Hz.) of this oscillation?
A cellist tunes the C-string of her instrument to a fundamental frequency of 65.4 Hz . The vibrating portion of the string is 0.600 m long and has a mass of 14.7 g . What percentage increase in tension is needed to increase the frequency from 65.4 Hz to 73.4 Hz , corresponding to a rise in pitch from C to D?