Essay on Speed of Sound

By the time we were looking for the four measurements needed just one group of people from the class was using a measuring tape, the rest of the class were using two small ones (so they could have the same length). The way it worked was to put one in the top of the other and then add the numbers, which was hard for

Sound is something quite special, impactful, and adds layers of elements and complexity to a film. As with the progression of the movie making medium, sound has grown and changed drastically over the decades. However, sound cues in the form of effects, dialogue, and everything in between, shapes our perceptions of a scene and movie.

After the positions were recorded for frequencies 1,803 Hz, 2,402 Hz, 3,002 Hz, 3,600 Hz, and 4,201 Hz, the wavelength was determined for each. This was done by subtracting the initial position from the final position (position final–position initial=wavelength). Using the calculated wavelength, the speed of sound in air at each frequency was determined by multiplying the wavelength by the frequency (speed of sound=wavelength x frequency). By adding the five speed values and dividing by the number of speeds, the average speed of sound was calculated. Then 344 m/s was used as the accepted

The main purpose of the lab is to study the two basic waves along with, their properties. The results we got were diverse from each other. The longitudinal waves compress than stretches to become a rarefaction. However, with the transverse waves, the medium was much slower when it was moving up and down. The only similarity that the waves share is that the energy travels through the slinky

-“The wavelength is 0.20 s.” This is wrong because wavelength’s unit is meter and it measures the distance between two adjacent locations in the disturbance, not the time one particle takes to finish one vibration.

Ultrasonic sensors emit short, high-frequency sound pulses at regular intervals. These propagate in the air at the velocity of sound. If they strike an object, then they are reflected back as echo signals to the sensor, which itself computes the distance to the target based on the time-span between emitting the signal and receiving the echo.

Sound waves are nothing more than an energy transfer through a medium be it through a liquid, solid, or a gas. Sound pressure or intensity is measured on logarithmic scale in decibels dB which increases on an order of magnitude. For instance a quiet conversation would be around 30 dB and whereas the human pain threshold would be just over 100 dB. While the pitch or frequency of the sound is measured in hertz or Hz, the higher the hertz the higher the pitch of the sound and vice versa (Hildebrand, 2004).

The base of the light triangle, b, was measured first. Then, the light positions, a, were measured f=or the first order (m=1) and second order (m=2) light beams to determine the angle Ɵ for each. This data was organized in an Excel table and used to find the wavelength, λ, of the laser through Equation 1. This value was then compared to the theoretical value for wavelength of the laser, which was 6.328x〖10〗^(-7)m, and the percent error was calculated between the two.

Used the GPS Navigation device to find position of the quadrate and recorded the coordinate on the observation sheet. 2. Created a quadrate by measured it in 1metre using the ruler, which is the tape measurement. 3. Used the 4-metres string connect to the stakes to form a quadrat.

A Betz manometer is used to measure the tunnel pressure, which is given in mm0, which can then be used to calculate the wind tunnel speed. This pressure was given as 20.25 mm0. The barometric pressure was recorded to be 761.5 mmHg, which will be converted into Pascals. The ambient air temperature was taken to be 23.5

The first thing I wanted to do was to estimate the approximate distance of which the

This time we will focus on the analysis of the sound of a film that, in addition, to be well achieved according to my personal appreciation, has been nominated for several awards for sound and has won some of them. It is then a proposal that, when like others, it is convenient to analyze and understand, to take from it what works best for us or interest, or for our future productions. For this I have chosen the feature film Pan’s labyrinth (2006) by director Guillermo del Toro; in charge of the sound Martin

What is a sound wave? A sound wave is produced by a mechanical vibration, such as a tuning fork. The vibrating object causes the surrounding medium, such as air, to vibrate as well.The wave travels through the medium to a detector, like your ear, and it is heard.As with any type of wave, a sound wave is also described by it's wavelength, amplitude, period, and frequency.

In this experiment, we experimented finding the fundamental quantities of length, mass, and time using many laboratory tools. We used a Vernier caliper, stopwatch, rulerm meter stick, wooden block, metal block, Dial-o-gram, different masses, and circular objects. We took into consideration the uncertainties of many different tools and objects into our experiment. The inherent uncertainties of different measurements and ways to propagate those uncertainties were learned during this experiment.

3) Compute Mtheoretical for each value of h you measured. Tabulate h, Mactual, Mtheoretical, and other data you obtained.