your class is using engineering principles to improve the design of football helmets to prevent brain injury. your teacher divides you into groups and gives you various supplies (such as tape, bubble wrap, and foam) to create, design, and build a new helmet. which of these is a benefit of this type of project in STEM education.
a. students participate and apply engineering principles
b. students become confident in working independently
c. students learn to follow steps provided by their teacher
d. students use household items to create new products
Answers
Answer:
a. students participate and apply engineering principles
Explanation:
We can rule out option B because the question states students are working in groups.
We can rule out option C because following directions, while appropriate, is not a benefit from STEM education specifically.
We can rule out option D because students are building off of a current design, not creating a new product.
Related Questions
A water turbine is to be designed to produce 27MW when running at 93.7 rev/min
under a head of 16.5m. A model turbine with an output of 37.5kW is tested under
dynamically similar conditions with a head of 4.9m . Calculate the:
a. model speed; b. scale ratio; c. assuming a model efficiency of 88%, estimate the volume
flow rate through the model; and d. if it is estimated that the force on the thrust bearing of
the full-size machine is 7.0GN , determine the bearing thrust of the model.
Answers
The Answers for the given question are as follow:
a. The model speed is approximately 31.62 rev/min.
b. The scale ratio is approximately 0.0417.
c. The estimated volume flow rate through the model is approximately 943.44 m^3/s.
d. The bearing thrust of the model is approximately 9.72 kN.
To calculate the required values for the water turbine model, we can utilize the concept of dynamic similarity.
a. To find the model speed, we can use the principle of geometric similarity, which states that the ratio of speeds is equal to the ratio of the square roots of the head. Thus:
Model speed = (√(Model head))/(√(Full-size head)) * Full-size speed
= (√4.9/√16.5) * 93.7 rev/min
= 31.62 rev/min
b. The scale ratio can be determined using the equation:
Scale ratio = (√(Model power))/(√(Full-size power))
= (√37.5kW)/(√27MW)
≈ 0.0417
c. To estimate the volume flow rate through the model, we can use the power equation:
Model power = (Model efficiency) * (Volume flow rate) * (Model head) * (Gravity)
37.5kW = 0.88 * (Volume flow rate) * 4.9m * (9.81m/s^2)
Solving for the volume flow rate:
Volume flow rate = 37.5kW / (0.88 * 4.9m * 9.81m/s^2)
≈ 943.44 m^3/s
d. To calculate the bearing thrust of the model, we can use the principle of force similarity:
Bearing thrust model = (Model power / Full-size power) * Full-size bearing thrust
= (37.5kW / 27MW) * 7.0GN
≈ 9.72kN
For more questions on force, click on:
https://brainly.com/question/12785175
#SPJ8
write a one paragraph reflection on why this program (onshape 3d modling) has been so challenging for you to work with.
Answers
Working with the Onshape 3D modeling program has presented several challenges that have proven to be quite demanding.
Firstly, the complex and extensive feature set of Onshape requires a significant investment of time and effort to fully understand and navigate.
The program offers a wide range of tools and functions, which, while beneficial for creating detailed and intricate designs.
It can also be overwhelming and difficult to grasp, especially for someone with limited experience in 3D modeling.
Additionally, the cloud-based nature of Onshape adds another layer of complexity, as it requires a stable internet connection and relies on data synchronization, which can sometimes lead to delays or interruptions in workflow.
Furthermore, the collaborative aspect of Onshape, while valuable for teamwork and real-time collaboration, can also create challenges when multiple users are simultaneously editing or modifying a design, potentially leading to conflicts and difficulties in merging changes.
For more questions on 3D modeling
https://brainly.com/question/27512139
#SPJ8
Pick an Intersection and observe it, you must observe 15 vehicles. Give the intersections name. Label the intersection North, South, East, West, (does not have to match the cardinal direction. Gather the following data.
Number of cars from each direction.
Type of maneuver completed ie Crossing/right turn/ left turn/ joining traffic right/joining traffic left
Average time of each crossing maneuver observed.
Direction of majority of traffic
Answers
Answer:
gdgudfhgufghdfuo'’hdfgdfihgodhfgidfg
Explanation:
How are the particles moving and and arranged in a gas?
Answers
Answer:
The particles in gas do not have any particular arrangement and there are very, very weak forces between them. So, the particles in a gas can easily move around and fill the shape of the container they are in, meaning they have no fixed shape.
Why is there a need for soil engineering?
Answers
Answer:
Soil engineering helps in analyzing the structure and composition of the soil of the proposed construction site, thus helping in deciding whether the soil of the proposed construction site or building is worth exploiting.
Analyzing the Uneven Distribution of Sun’s Energy on Earth
What would be the effect of the uneven distribution of the Sun’s energy on Earth?
The equator and the poles would both be cool.
The equator and the poles would both be warm.
The equator would be warmer than the poles.
The equator would be cooler than the poles.
Answers
Answer:
I'll see if you can figure this out.
Explanation:
With how the earth is shaped, when the sun is shining, the equator is usually the closest part of the earth to the sun, which means it would be warmer. The opposite for the poles, they would be cooler.
Answer: C, The equator would be warmer than the poles.
Explanation i took the quiz and got it right :)
Your Welcome
What is the most common construction design used to build small and medium size passenger cars?
Answers
Answer: Also called a 'space frame construction or unitized construction', this is the most common type of configuration used to build small and medium passenger cars.
Explanation:
In approximately 50 words, explain how the design-build process could promote the exchange of ideas.
Answers
Five primary steps make up the design-build process: choosing a team, planning the project, designing, GMP/bidding, and building.
A design-build team works under a single contract with the project owner to provide both design and construction services as part of this style of project delivery. One organization, one contract, and a single coordinated flow of work from conception to conclusion.
Designers and developers work together on design-build projects under one contract. Project phases occur concurrently. In design-bid-build projects, architects and builders are hired separately. Project phases are identified and occur in order.
Thus, A design-build team works under a single contract with the project owner to provide both design.
For more information about design-build team, click here:
https://brainly.com/question/28493763
#SPJ1
How do engineering and technology impact the natural world and environment
Answers
Answer:
Answer to the following question is as follow.
Explanation:
Civil engineering industrial development projects have a significant influence on the environment, particularly in terms of excessive noise, environmental pollution, and land shrinkage.
Engineers have totally transformed our environment, from contemporary dwellings to bridges, space flight, automobiles, and cutting-edge mobile technologies. Engineers utilise their expertise to build new and exciting prospects and address any difficulties that may occur, and they employ their innovative ideas to accomplish so.
How might Jennifer consider balance when arranging items on a bookshelf?
She could arrange all of the hardcover books on one side of the shelf and the soft cover books on the other side.
She could select only red items for the bookcase.
She could group décor items in varied heights, such as a tall vase with a few shorter candles.
She could select only recent photos of the family for the bookcase.
Answers
The way that Jennifer consider balance when arranging items on a bookshelf is She could arrange all of the hardcover books on one side of the shelf and the soft cover books on the other side.
What is the bookshelf about?Jennifer can balance items on a bookshelf symmetrically by placing similar objects at equal distances from the center of the shelf. She could group similar items by size, shape, or color for balance, such as books by genre or size or matching decorative pieces.
Varying heights create visual interest. Place a tall vase next to shorter books or shorter candles next to a taller picture frame. Alternate objects of different sizes or shapes for rhythm and movement.
Read more about bookshelf here:
https://brainly.com/question/19566043
#SPJ1
Type the correct answer in the box. Spell all words correctly.
What kind of job does Malcolm have?
Malcolm works as a/n (blank)
engineer with a company that manufactures automotive spare parts. His job is to examine product
components for flaws and communicate their results to other team members.
Answers
Answer:
management engineer
Explanation:
A Management Engineer is someone with a commercial engineering understanding and marketing techniques.
The role of a management engineer covers overseeing the activities of all the engineering departments in an engineering firm particularly in the area of product development, implementation, and production.
This is to ensure the products meet and satisfy the business methods and techniques specifically in the area of cost efficiency and quality product.
Under Management Engineering there are subdivisions of Manufacturing and Industrial Engineer, which both fit the role of Malcolm.
Hence, in this case, Malcolm work as a Management Engineer
When making a new product, why might designers and engineers go through the
design process more than once?
A. Designers and engineers repeat
the design process to make sure
that all tests will go exactly
according to plan.
C. Designers and engineers repeat
the design process to address
different parts of their design, or
improve their design further.
B. Designers and engineers only go
through the design process once
when designing a product.
D. Both A and B
Answers
Answer:C. Designers and engineers repeat
the design process to address
different parts of their design, or
improve their design further.
Explanation:just took it
In a short essay, discuss the question, “How are you an innovator?”
Answers
Answer:
I think I'm an innovator because when I have writer's block I always listen to music and try to think that can find a new title to write for my songs. Well as people tell me I'm not good enough to play sports or rap I prove them wrong by doing what I do best. I doubted myself about getting all A's and now I'm in the 11th grade getting straight A's. What I think makes me an innovator is my willingness to rise to the occasion and prove people wrong but also do it for me. And Have fun but have a lot of pride while doing my very best.
How do i code a hobby gearshift motor to speed 50 using only an arduino uno r3?
Answers
To code a hobby gearshift motor to run at a speed of 50 using an Arduino Uno R3, you can use pulse-width modulation (PWM) to control the motor speed.
General outline of the steps involved are:
1)Connect the hobby gearshift motor to the Arduino Uno. Ensure that you have the necessary motor driver or H-bridge circuit to interface the motor with the Arduino.
2)Set up the Arduino Uno by installing the Arduino IDE and connecting it to your computer.
3)Open the Arduino IDE and create a new sketch. Define the necessary pin for controlling the motor speed using PWM.
For example, you can use Pin 9 for this purpose:
const int motorSpeedPin = 9;
4)In the setup() function, configure the motor speed pin as an output:
void setup()
{
pinMode(motorSpeedPin, OUTPUT);
}
5)In the loop() function, use the analogWrite() function to set the desired speed for the motor.
Since the analogWrite() function uses PWM, the speed can be adjusted by varying the duty cycle from 0 to 255.
A duty cycle of 255 corresponds to the maximum speed. To achieve a speed of 50, you can use a duty cycle of approximately 128:
void loop()
{
analogWrite(motorSpeedPin, 128);
}
6)Upload the code to the Arduino Uno and observe the motor running at the desired speed.
For more questions on motor
https://brainly.com/question/28852537
#SPJ8
A 35-ft long solid steel rod is subjected to a load of 8,000 lb. This load causes the rod to stretch 0.266 in. The modulus of elasticity of the steel is 30,000,000 psi. Determine the diameter of the rod (precision of 0.00)
Answers
Answer:
The diameter of the rod can be determined using the following formula:
Explanation:
d = sqrt(4L / (pi * E * delta))
where:
d = diameter of the rod
L = length of the rod = 35 ft
E = modulus of elasticity of the steel = 30,000,000 psi
delta = elongation of the rod = 0.266 in
First, we need to convert the length of the rod and elongation to inches to maintain consistency with the units of E:
L = 35 ft * 12 in/ft = 420 in
delta = 0.266 in
Substituting the given values into the formula:
d = sqrt(4 * 420 / (pi * 30,000,000 * 0.266))
d = 0.615 in (rounded to 0.01)
Therefore, the diameter of the steel rod is 0.62 inches (rounded to 0.01).
Air-break switches are also known as
A soft-limit Switches
B SPST Switches
C knife Switches
D gap Switches
Answers
In this course, glossary terms are__
A: italic green type
B: bold green type
C: underlined with a dotted line
D: italic red type
Answers
Answer:
A: italic green type
what are three things that we would need and unlimiated amount of for all of us to obtain everything that we want?
Answers
There are two halves of scarcity that have plagued us ever since we first set foot on this Earth:
Limited resources.
Unlimited wants.
The Economics of Seinfeld says the following regarding the term:
“Unlimited wants essentially mean that people never get enough, that there is always something else that they would like to have.”
“When combined with limited resources, unlimited wants result in the fundamental problem of scarcity.”
Unlimited wants – limited resources
What we want and need has no limit, i.e., it is infinite. However, what we can afford is finite, i.e., it has a limit. This is a basic condition of human existence.
We are never completely satisfied with everything we consume. We consume a variety of goods and services, but they are never enough.
In other words, there is always something else that I, you, or anybody else would want or need.
The term applies to all socioeconomic groups. Low-income groups have limited resources, and their wants always exceed those resources. However, the same happens with middle-income and upper-income groups. They never feel they have enough.
The reason is a very simple one. Every income group’s resources are finite. However, unlimited want is a feature of every human.
Put simply; our wants and needs are infinite, but our wealth is not.
The economic problem – unlimited wants
‘The economic problem‘ is a term that economists use. It states that the finite resources of an economy are not enough to satisfy all our wants and needs. We also call it ‘the central economic problem‘ or ‘the basic economic problem.’
The main question we ask when considering ‘the economic problem’ is: “How do we satisfy unlimited wants with limited resources?”
As we cannot produce everything, we have to prioritize. We must decide what to produce, how to produce it, and how much to produce. We must also determine for whom to produce.
Human wants are constant and infinite, but the resources to satisfy them are finite. The resources cannot exceed the amount of human and natural resources available.
We produce things that we know people want, as long as we have the resources to make them. How strong or weak demand is determines how much we charge for those things. It also determines how much we produce (supply).
In other words, markets fores, i.e., the forces of supply and demand, in a free market economy, determine prices.
Wants vs. needs
Needs are things without which we cannot survive. Wants are things we desire. However, we can survive without those wants.
Food, water, and housing, for example, are needs. Clothing is also a need. Without food or water, we would die. We would probably die too without housing. In cold countries, we would not survive without clothing.
A nice car, smartphone, and vacation by the beach are wants. If I don’t have a nice car, I will still live. If I don’t go to Cancun for my winter break, I won’t die. However, I want these things.
Fundamental needs are key in the function of the economy. Wants, however, are the driving forces that stimulate demand for things, i.e., demand for goods and services.
We can say either ‘unlimited wants’ or ‘unlimited wants and needs.’
Why are housing starts a key indicator of a nation’s economic well-being?
Residential construction is more important to the economy than commercial or industrial construction.
Residential construction is more important to the economy than commercial or industrial construction.
Gross domestic product cannot be calculated without knowing the number of housing starts.
Gross domestic product cannot be calculated without knowing the number of housing starts.
Housing starts affect the health of a number of other important industries.
Housing starts affect the health of a number of other important industries.
Housing starts can be used as a measure of homelessness and, by proxy, unemployment.
Answers
The term housing starts refers to the start of construction on a new residential housing unit.
What Are Housing Starts?The term housing starts refers to the start of construction on a new residential housing unit.
A housing start is a new residential construction project. Housing starts are registered once construction begins on a new building for residential use.
A housing start is a new residential construction project. Housing starts are registered once construction begins on a new building for residential use. Housing starts can provide valuable information about the economy.
The housing start is registered once construction of a new building begins. There are different stages of new housing construction; the start usually happens when the foundation of the building is excavated. All the stages are:
PermittedAuthorized but not startedStarted Under constructionCompletedHousing starts can provide valuable information about the economy.
For example, researchers can look at decades of housing starts to get an idea of how housing growth has been affected by population growth.
To learn more about housing stars refers to;
https://brainly.com/question/12222996
#SPJ1
interstate highways are identified on signs with what kind of shape?
Answers
Answer:
Interstate signs are a shield shape, with the word “Interstate” on the top of them. This sign is found at large intersections and may be accompanied by arrows or the direction. White numbers on a blued background and a red line along the top.
Sadie wants to sell her fan-fiction on the online platform Fanalot. Instead of selling a subscription plan to all of the stories she has written, she decides to sell readers access to each story individually. Her online research suggests that if she charges x dollars per story, she will sell – 5x+100 stories per month. Fanalot will charge Sadie 20% of the amount she charges per story. So, Sadie will earn 80% of the amount she charges per story, or 0.8x dollars, in profit. Which equation can Sadie use to estimate the price she can charge per story to earn $300 in profit each month?
Answers
0.8x(5x+100) - 0.2x(5x+100) = 300
Simplifying this equation, we get:
4x^2 + 80x - 300 = 0
This is a quadratic equation that can be solved using the quadratic formula:
x = (-b ± sqrt(b^2 - 4ac)) / 2a
Plugging in the values for a, b, and c, we get:
x = (-80 ± sqrt(80^2 - 4(4)(-300))) / 8
x = (-80 ± sqrt(73600)) / 8
x = (-80 ± 271.23) / 8
x = -43.9 or 7.9
Sadie cannot charge a negative price, so the only possible solution is:
x = 7.9
Therefore, Sadie can charge $7.90 per story to earn $300 in profit each month.
Why is transverse unequal length wishbone preferred to that of equal length?
Answers
Answer:
It allows the wheels to move of the neutral position without the tires scrubbing
Explanation:
The double wishbone suspension is independent and it can be used in both the front wheels and it affords very good control of the outward or inward tilting of the front wheel and it keeps the wheels perpendicular to the road surface
However, when equal length parallel wishbone are installed, it gives rise to scrubbing of the tires as the wheels turn in the tracks
The development of unequal length non-parallel transverse or converging wishbones with A-arms suspension resolved the tire scrubbing effect on the wheels when moving out of the neutral position.
What evidence from the text supports the author's position that Africa is a leader in the fight against climate change?
Answers
It's worth noting that the situation may have evolved since my last update in September 2021. To provide specific evidence from a text supporting Africa's leadership in the fight against climate change.
Africa has been actively promoting renewable energy projects. For example, the continent has abundant solar and wind resources, and many countries have invested in solar and wind farms. This shift towards renewable energy sources demonstrates Africa's commitment to reducing carbon emissions and combating climate change.
Africa is particularly vulnerable to the impacts of climate change, such as droughts, floods, and desertification. To cope with these challenges, African countries have developed adaptation strategies. For instance, they have invested in water management systems, climate-resilient agriculture, and early warning systems for natural disasters.
Learn more about Africa on:
https://brainly.com/question/1959687
#SPJ1
1 - Observe the image of the squirrel siblings and record your observations.
2 - Write two new questions about the squirrel siblings.
Answers
2.) -Could the squirrel on the left be albino?
- Is is more common for a certain gender of a squirrel to be different colors?
All new fixed mount VHF radios manufactured today have DSC, also known as ___ ___ ___ (1)
It has
the equivalent of ____ (2)
button that can be pressed in the event of an ____ (3)
When properly interfaced with a _____ (4)
it will
automatically broadcast the vessel's ______ (5)
To properly use you DSC
radio you must register it and get an ________ (6)
number. (FILL IN THE BLANKS)
Answers
Answer:
(1) Digital Selective calling
(2) Mayday
(3) Emergency
(4) GPS
(5) Position
(6) MMSI (Maritime Mobile Service Identity)
Explanation:
VHF stands for "Very High Frequency". VHF radio is a vital means of communication for ships and provides many benefits.
VHF radio also has a feature of digital selective calling (DSC) where a simple one-button distress call can be sent in case of any emergency just like mayday call is used in airplanes.
Moreover, if the VHF radio is interfaced with the GPS of the vessel then the distress call will automatically send the current position of the vessel.
Just like you have to buy a sim card for mobile communication, in the same way, you are required to get an MMSI (Maritime Mobile Service Identity) number to properly use DSC radio.
Can someone help with driver's training?
Match the definition to the correct roadway type:
A. Parkway
B. Trail
C. Ridge
1.A long winding road that has a median with vegetation and a park like setting
2. A road that follows a historic Indian or settlers path (TRACE)
3. A long road that follows the top of a slope
Answers
The correct match for each definition is:
A - ParkwayB - TrailC - RidgeWhat is a Parkway?A Parkway is a long, winding road that often has a median with vegetation and a park-like setting. It is usually designed for recreational driving and scenic views.
A Trail is a road that follows a historic Indian or settlers path. These roads often have historical or cultural significance and may be used for hiking, biking, or horseback riding.
A Ridge is a long road that follows the top of a slope. It may offer scenic views of the surrounding landscape and can be used for recreational driving or commuting.
Read more about driving here:
https://brainly.com/question/1071840
#SPJ1
Someone please help me and explain this in detail!!!!!
Element X has three electrons in its outermost orbit.
Element Y has seven electrons in its outermost orbit.
What is the chemical formula of the ionic compound formed by these elements when they react together? (Use X and Y as the chemical symbols.)
Answers
Answer: The chemical formula of the ionic compound formed by these elements when they react together is \(XY_3\).
Explanation:
For formation of a neutral ionic compound, the charges on cation and anion must be balanced. The cation is formed by loss of electrons by metals and anions are formed by gain of electrons by non metals.
Here element X is having an oxidation state of +3 as it can lose 3 electrons from its outermost orbit called as \(X^{3+}\) cation and element Y is having an oxidation state of -1 as it can gain one electron in its outermost orbit called as \(Y^{-}\) anion. Thus they combine and their oxidation states are exchanged and written in simplest whole number ratios to give neutral \(XY_3\).
MIG is resistance or fusion
Answers
Answer: Should be fusion
Explanation:
What should you consider when choosing the type of hearing protection you use?
Select the best option.
The costs of the hearing protection options
The noise levels you expect to encounter
What hearing protection is available to you at your job
The type of hearing protection you see other people wearing
Answers
An important factor to consider when choosing the type of hearing protection you should use is: B. the noise levels you expect to encounter.
What is noise level?Noise level can be defined as a measure of sound pressure level that is produced by an object, machine or equipment at a particular period of time.
Also, noise level are typically measured in watt or decibel and it can constitute noise pollution when it is too much and not properly managed.
In conclusion, an important factor to consider when choosing the type of hearing protection you should use is the noise levels you expect to encounter.
Read more on noise level here: https://brainly.com/question/14252912
#SPJ2
BRAINLIEST BRAINLIEST BRAINLIEST
BRAINLIEST BRAINLIESTBRAINLIESTBRAINLIESTBRAINLIESTBRAINLIESTBRAINLIESTBRAINLIESTBRAINLIESTBRAINLIESTBRAINLIESTBRAINLIESTBRAINLIESTBRAINLIESTBRAINLIESTBRAINLIESTBRAINLIESTBRAINLIESTBRAINLIESTBRAINLIESTBRAINLIESTBRAINLIESTBRAINLIESTBRAINLIESTBRAINLIESTBRAINLIESTBRAINLIESTBRAINLIESTBRAINLIESTBRAINLIESTBRAINLIESTBRAINLIESTBRAINLIESTBRAINLIESTBRAINLIESTBRAINLIESTBRAINLIESTBRAINLIESTBRAINLIESTBRAINLIESTBRAINLIESTBRAINLIESTBRAINLIESTBRAINLIESTBRAINLIESTBRAINLIESTBRAINLIESTBRAINLIESTBRAINLIESTBRAINLIESTBRAINLIESTBRAINLIESTBRAINLIESTBRAINLIESTBRAINLIESTBRAINLIESTBRAINLIESTBRAINLIESTBRAINLIESTBRAINLIEST
A bicycle with 540mm wheel diameter passes over a segment arched culvert of radius 760mm. draw the locus of a point on the circumference of the wheel when it makes one complete revolution
Answers
In order to draw the locus, we can construct a circle with a radius of 1696.62mm centered at the center of the culvert.
How to calculate the valueThe diameter of the wheel is given as 540mm, so the radius of the wheel is half of that: 540mm / 2 = 270mm. The circumference of the wheel can be calculated as 2π times the radius: 2π × 270mm
≈ 1696.62mm.
Since the circumference of the wheel is approximately 1696.62mm and point P traces out a circle, the locus of point P will be a circle with a circumference of 1696.62mm.
Hence, to draw the locus, we can construct a circle with a radius of 1696.62mm centered at the center of the culvert.
Learn more about locus on
https://brainly.com/question/13941750
#SPJ1
