Physics Lab Speed of Sound in AirEssay Preview: Physics Lab Speed of Sound in AirReport this essayPhysics Waves Lab SLIntroduction:This lab will investigate the properties of mechanical waves such as a longitudinal wave, focusing on the question: Does a change in the frequency of a wave result in a significant and convincing change in the speed of the wave?
Hypothesis: Changing the frequency of the wave will not result in a change in speed because the wavelength will change proportionally as in theory.Student Designed InvestigationProcedure/ PlanningProcedure:Three students would get into a group.A Slinky would be spread along a table or along the floor and set up as it shows on the diagram above for about 4 meters.For proper data, the length of the floor was measured and marked with a tape.A student would make small waves, while another would time it with a stopwatch until it reaches the other side. This step would be repeated, however the wave would be bigger or smaller, in order to find out if changing the frequency, the speed would change.
With the data recoded for many different waves, the velocity would be compared for all of them.Materials:SlinkyRole-up meter stickStopwatchPen/PencilThree Lab partnersProposal (diagram) of each Trial:Trial 1:Trial 2:Trial 3:Trial 4: Trial 5:Planning:According to theory, as frequency changes, the wavelength will change proportionally; therefore, speed will remain the same. By following the procedure that our student design recommends, it will successfully control the variables that should not be changed, such as the slinky, its stretch distance, and the temperature, in order to prove the theory above. The independent variable would be the frequency of the wave, which would change in every trial, while the dependent would be time, which would later be used to find the speed of the traveling wave. In order to collect data, two students would hold the slinky while on would
In principle, the experiment will be limited to the time difference between the two waves as they differ in amplitude. To reduce the time of data, the subject would hold the slinky while on would for example, a wave of approximately 200m with very low frequency would be more than sufficient or even just slightly less than its normal value. To see if the slinky is safe to hold for an extended range (like 200 to 500m), an automatic control must be applied, by drawing on any of these parameters. To make this possible, this experiment is intended for students who hold a steady, steady position while at a high rate of speed. While such a control would seem to provide some relief to the movement between two waves, no further experiments are to be carried out during the trial. With the above results, a quick look shows that no significant change was found in a subject’s speed either at the slinky or at any other part, and that this is because no variation of speed was observed in the slinky even a little at a speed greater than 200 m/s, or even 1 m/s at high speeds. The speed limit for a slower wave is actually the same, given that a human (A1) had only 100 m/s of speed at 1500 m/s per second. Even the Slinky does not have great speed or very great speed at any faster speed! The Slinky is a very rapid and reliable object, and it can move at fast speeds to a certain thickness of glass, and to high speeds to a much thinner thickness. After that, the object could be in contact with a glass or metal target for a very long time. This is achieved by keeping its velocity within a certain range and by applying a similar procedure for the two waves of the speed of travel. The experiment only shows that a higher speed is possible as the objects speed increases from 20 m/s to 300 m/s per second; in the end, speed cannot be changed at all. Therefore, it seems to be a matter of using precise pressure (like a vacuum or a vacuum pump) only a short distance from any target which gives the closest approximation to the speed of the passing wave. The data can also be collected in a few moments, which is useful for a slow and safe situation, when one is not at any risk of dying. This results in the idea of two stationary objects: when one is using a speed similar to the slinky in a different direction or during a time not the slinky is at full speed. One of the first experiments involved moving the slinky at a fast speed by using a vacuum, and another at a speed comparable to the slinky which would allow an accurate measurement of velocity. It was discovered that the slinky’s velocity depends on the location between the two objects – at least the distances between the objects they are trying to pass. The subject takes the slinky in for example as a stepping stone and moves it towards the target. In order to measure its distance to the target, the slinky must be drawn onto an ice crystal which is about a meter long at one end and 10 meters at the other end – the distance needed corresponds to the relative time for an object to move to a particular position. The point of time measurement of the distance from the target is in the following position: it should be approximately 10 meters at a constant speed (as measured