NAME: JAVIER, AARON ZIMRI C.
SUBJECT/SECTION: PHYSICS FOR ENGINEERS / BSME 1B
DATE: MAY 30, 2021 SCORE
EXPERIMENT #8
WAVES AND ACOUSTICS
Abstract
The researcher's goal in this experiment is to better understand and collect data regarding waves and acoustics. The
experiment's proponent will go over the main points and relations, including the formulae, that will be grasped in order to advance
in studying the ideas behind waves and acoustics. I also want to incorporate the notion as well as the different important words that
support it. To acquire each topic, I'll use the courses on the provided site to perform a sequence of methods and processes
necessary to complete the experiment's objectives. The experiment's supporter was able to conduct research and discover which
findings support the frequency and cycle of a pulsing mass on a spring, as well as demonstrate a link between the variables and
frequency or period. I used the Mass on a Spring Interactive and the Exploring Waves Interactive, which both include extensive
information which I could utilize to respond to the interaction. Moreover, I acquired and researched various sources on several digital
platforms in order to get most of the essential information, and perhaps to achieve a greater result that is clearly comprehended by
the readers and therefore can effectively educate them.
1|Page
,I. Introduction
Sound is created in the form of a pressure wave in physics. When an object vibrates, it causes the air molecules around it
to vibrate as well, causing a chain reaction of sound wave vibrations to spread throughout the medium. The speed of sound is
determined by the medium through which sound waves travel. The speed of sound in dry air at 20°C is 343 m/s. Sound waves travel
at 1531 m/s in room temperature seawater. A shockwave is a disruption that expands faster than the local speed of sound, according
to scientists.
Wavelength, amplitude, frequency, time period, and velocity are the five major characteristics of sound waves. The
wavelength of a sound wave describes how far it travels before repeating itself. The wavelength is a longitudinal wave that depicts
the sound wave's compressions and rarefactions. The maximum displacement of particles disturbed by a sound wave as it passes
through a medium is defined by its amplitude. A huge sound wave is indicated by a large amplitude. The number of sound waves
produced per second is indicated by the frequency of a sound wave. Sound waves are produced less frequently by low-frequency
noises than by high-frequency noises. A sound wave's time period is the amount of time it takes to complete a complete wave cycle.
A wave's worth of sound is produced by each vibration from the sound source. Each whole wave cycle starts with a dip and finishes
with the next trough. Finally, the velocity of a sound wave is measured in meters per second and indicates how rapidly the wave is
going.
For years, many people were perplexed and intrigued about how we were able to hear what we heard before the discovery
that sound travels in waves. When some of the world's most renowned scientists discovered how sound travels, everything changed.
Galileo Galilei (1564–1642) is credited for advancing the study of waves and acoustics, elevating the study of vibrations and the link
between pitch and frequency of the sound source to the level of science. His father, a well-known mathematician, pianist, and
composer, spurred his interest in sound in part. Acoustic advancement was rather swift after after Galileo's basic work. A French
mathematician named Marin Mersenne examined the vibration of stretched strings and came up with the three Mersenne's laws as
a consequence of his study.
2|Page
, Objectives of this Activity:
1.To determine what factors affect the frequency and the period of a vibrating mass on a spring and to state the relationship between
those variables and the frequency or period.
3|Page
, II. Materials and Methods
Materials/Equipment
1.Mass on a Spring Interactive
2.Simple Wave Simulator
Instruction
Part1
1.Visit the link provided: https://www.physicsclassroom.com/Physics-Interactives/Waves-and-Sound/Mass-on-a-
Spring/Mass-on-a-Spring-Interactive
2.Visit the link for the activity: https://www.physicsclassroom.com/Physics-Interactives/Waves-and-Sound/Mass-on-a-
Spring/Mass-on-a-Spring-Exercise
Part 2
1.Visit the link provided: https://www.physicsclassroom.com/Physics-Interactives/Waves-and-Sound/Simple-Wave-
Simulator/Simple-Wave-Simulator-Interactive
2.Visit the link for the activity: https://www.physicsclassroom.com/Physics-Interactives/Waves-and-Sound/Simple-Wave-
Simulator/Simple-Wave-Simulator-Exercise-1
4|Page
SUBJECT/SECTION: PHYSICS FOR ENGINEERS / BSME 1B
DATE: MAY 30, 2021 SCORE
EXPERIMENT #8
WAVES AND ACOUSTICS
Abstract
The researcher's goal in this experiment is to better understand and collect data regarding waves and acoustics. The
experiment's proponent will go over the main points and relations, including the formulae, that will be grasped in order to advance
in studying the ideas behind waves and acoustics. I also want to incorporate the notion as well as the different important words that
support it. To acquire each topic, I'll use the courses on the provided site to perform a sequence of methods and processes
necessary to complete the experiment's objectives. The experiment's supporter was able to conduct research and discover which
findings support the frequency and cycle of a pulsing mass on a spring, as well as demonstrate a link between the variables and
frequency or period. I used the Mass on a Spring Interactive and the Exploring Waves Interactive, which both include extensive
information which I could utilize to respond to the interaction. Moreover, I acquired and researched various sources on several digital
platforms in order to get most of the essential information, and perhaps to achieve a greater result that is clearly comprehended by
the readers and therefore can effectively educate them.
1|Page
,I. Introduction
Sound is created in the form of a pressure wave in physics. When an object vibrates, it causes the air molecules around it
to vibrate as well, causing a chain reaction of sound wave vibrations to spread throughout the medium. The speed of sound is
determined by the medium through which sound waves travel. The speed of sound in dry air at 20°C is 343 m/s. Sound waves travel
at 1531 m/s in room temperature seawater. A shockwave is a disruption that expands faster than the local speed of sound, according
to scientists.
Wavelength, amplitude, frequency, time period, and velocity are the five major characteristics of sound waves. The
wavelength of a sound wave describes how far it travels before repeating itself. The wavelength is a longitudinal wave that depicts
the sound wave's compressions and rarefactions. The maximum displacement of particles disturbed by a sound wave as it passes
through a medium is defined by its amplitude. A huge sound wave is indicated by a large amplitude. The number of sound waves
produced per second is indicated by the frequency of a sound wave. Sound waves are produced less frequently by low-frequency
noises than by high-frequency noises. A sound wave's time period is the amount of time it takes to complete a complete wave cycle.
A wave's worth of sound is produced by each vibration from the sound source. Each whole wave cycle starts with a dip and finishes
with the next trough. Finally, the velocity of a sound wave is measured in meters per second and indicates how rapidly the wave is
going.
For years, many people were perplexed and intrigued about how we were able to hear what we heard before the discovery
that sound travels in waves. When some of the world's most renowned scientists discovered how sound travels, everything changed.
Galileo Galilei (1564–1642) is credited for advancing the study of waves and acoustics, elevating the study of vibrations and the link
between pitch and frequency of the sound source to the level of science. His father, a well-known mathematician, pianist, and
composer, spurred his interest in sound in part. Acoustic advancement was rather swift after after Galileo's basic work. A French
mathematician named Marin Mersenne examined the vibration of stretched strings and came up with the three Mersenne's laws as
a consequence of his study.
2|Page
, Objectives of this Activity:
1.To determine what factors affect the frequency and the period of a vibrating mass on a spring and to state the relationship between
those variables and the frequency or period.
3|Page
, II. Materials and Methods
Materials/Equipment
1.Mass on a Spring Interactive
2.Simple Wave Simulator
Instruction
Part1
1.Visit the link provided: https://www.physicsclassroom.com/Physics-Interactives/Waves-and-Sound/Mass-on-a-
Spring/Mass-on-a-Spring-Interactive
2.Visit the link for the activity: https://www.physicsclassroom.com/Physics-Interactives/Waves-and-Sound/Mass-on-a-
Spring/Mass-on-a-Spring-Exercise
Part 2
1.Visit the link provided: https://www.physicsclassroom.com/Physics-Interactives/Waves-and-Sound/Simple-Wave-
Simulator/Simple-Wave-Simulator-Interactive
2.Visit the link for the activity: https://www.physicsclassroom.com/Physics-Interactives/Waves-and-Sound/Simple-Wave-
Simulator/Simple-Wave-Simulator-Exercise-1
4|Page
