A tattoo needle can oscillate with a frequency up to 50 Hz. How many times would...
A tattoo needle can oscillate with a frequency up to 50 Hz. How many times would a tattoo needle at this speed inject ink into your skin if it operates for 2 minutes?
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A tattoo needle can oscillate with a frequency up to 50 Hz. How
many times would...
The end of a diving board can oscillate with a frequency of 2.9 Hz. Assume it...
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...
4. A stationary wave of frequency 50 Hz is set up in a string of length...
4. A stationary wave of frequency 50 Hz is set up in a string of length 1.5 m fixed at both ends. The string vibrates with 3 segments as shown in the figure below. What is the speed of the wave along the string? 15m 5. Two sine waves have the same amplitude, period, and frequency but are 180° out of phase. What happens when these two waves are added?
1.) You want to send a "square wave" pulse signal at a frequency of 60 Hz....
1.) You want to send a "square wave" pulse signal at a frequency
of 60 Hz. What characteristics would this signal have?
2.) You want to set up a flicker fusion stimulus with a duty
cycle of 50%. Lets say you want to set up a stimulus that is a
total of 2 seconds long with a frequency of 1 Hz, 10 Hz, 20 Hz, 40
Hz, 60 Hz, 80 Hz, and 100 Hz. How do you do that? What...
1. Oscillating system performs damped oscillations with frequency 1000 Hz. Determine the frequency of natural oscillations...
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...
Consider the energy in eV of an photon of frequency 1.66x1013 Hz. How many of these...
Consider the energy in eV of an photon of frequency 1.66x1013 Hz. How many of these photons would need to be absorbed simultaneously to overcome a 10.21 eV binding energy and break the molecule apart?
Question 6 10 pts How many infrared photons of frequency 2.43 x 1013 Hz would need...
Question 6 10 pts How many infrared photons of frequency 2.43 x 1013 Hz would need to be absorbed simultaneously by a tightly bound molecule to break it apart? The binding energy of such a molecule is 10 eV. You should round your answer to the nearest integer.
phons 100 9 80 60 A 40 20 20 10k 1000 100 10 Frequency Hz) a) At approximately what frequency is the human ear most sensitive? How can you tell? b) If you heard a 300-Hz tone with a sound level of 60...
phons 100 9 80 60 A 40 20 20 10k 1000 100 10 Frequency Hz) a) At approximately what frequency is the human ear most sensitive? How can you tell? b) If you heard a 300-Hz tone with a sound level of 60 dB, approximately how many phons would you perceive? toward you with a speed v, starting a distance of 1 km away att 0. If the train moves very slowly (that is, v is extremely small compared to...
An electronic point source emits sound isotropically at a frequency of 2 × 103 Hz and...
An electronic point source emits sound isotropically at a frequency of 2 × 103 Hz and a power of 27 watts. A small microphone has an area of 0.77 cm2 and is located 175 meters from the point source. a: How many minutes will it take for the microphone to recieve 0.2 Joules from this sound? b: What is the sound intensity level at the microphone from this point source? c: What would be the sound intensity level at the...
b. If the muda or waste in the system were eliminated completely, how many containers would...
b. If the muda or waste in the system were
eliminated completely, how many containers would be needed?
Markland First National Bank of Rolla utilizes kanban techniques in its check processing facility. The following information is known about the process. Each kanban container can hold 50 checks and spends 24 minutes a day in processing and 2 hours a day in materials handling and waiting. Finally, the facility operates 24 hours per day and utilizes a policy variable for unforeseen...
4. Your ears detect a sound wave with a frequency of 315 Hz and a sound...
4. Your ears detect a sound wave with a frequency of 315 Hz and a sound intensity level of 80 dB. It originated in a vibrating string with a length of 1.9 meters. A) Waves can be longitudinal or transverse. What is the difference between these two kinds of waves? B) This question has one longitudinal wave and one transverse wave. Identify them. C) Recall that the sound you hear from a string is the fundamental frequency, which has a...
4. A stationary wave of frequency 50 Hz is set up in a string of length 1.5 m fixed at both ends. The string vibrates with 3 segments as shown in the figure below. What is the speed of the wave along the string? 15m 5. Two sine waves have the same amplitude, period, and frequency but are 180° out of phase. What happens when these two waves are added?
1.) You want to send a "square wave" pulse signal at a frequency
of 60 Hz. What characteristics would this signal have?
2.) You want to set up a flicker fusion stimulus with a duty
cycle of 50%. Lets say you want to set up a stimulus that is a
total of 2 seconds long with a frequency of 1 Hz, 10 Hz, 20 Hz, 40
Hz, 60 Hz, 80 Hz, and 100 Hz. How do you do that? What...
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...
Consider the energy in eV of an photon of frequency 1.66x1013 Hz. How many of these photons would need to be absorbed simultaneously to overcome a 10.21 eV binding energy and break the molecule apart?
Question 6 10 pts How many infrared photons of frequency 2.43 x 1013 Hz would need to be absorbed simultaneously by a tightly bound molecule to break it apart? The binding energy of such a molecule is 10 eV. You should round your answer to the nearest integer.
phons 100 9 80 60 A 40 20 20 10k 1000 100 10 Frequency Hz) a) At approximately what frequency is the human ear most sensitive? How can you tell? b) If you heard a 300-Hz tone with a sound level of 60 dB, approximately how many phons would you perceive? toward you with a speed v, starting a distance of 1 km away att 0. If the train moves very slowly (that is, v is extremely small compared to...
b. If the muda or waste in the system were
eliminated completely, how many containers would be needed?
Markland First National Bank of Rolla utilizes kanban techniques in its check processing facility. The following information is known about the process. Each kanban container can hold 50 checks and spends 24 minutes a day in processing and 2 hours a day in materials handling and waiting. Finally, the facility operates 24 hours per day and utilizes a policy variable for unforeseen...
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