Bridge failure is described as the inability of a constructed bridge or its components to perform as specified in the design and construction criteria, which is typically associated with substantial financial and lives losses.
Based on 10 prior investigations, this report provides a summary of recent studies on the usual traits and causes of bridge failures. The two categories of primary causes are internal and external, or natural and human forces. Over 70% of bridge failures are caused by the top 5 major causes of bridge failures: design error, construction problems, hydraulic, accident, and overload. Bridge collapse causes are highly correlated with the local economy, the structure's use, its material type, and its age in operation.
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How is muscular strength calculated?
Muscle strength is measured by estimating a person's one repetition maximum (1RM).
1RM is a measurement of the greatest load (in kilograms) that one can move means it can be lifted, pushed, or pulled once without failure or injury.
1RM is calculated by counting the maximum number of exercises that you can do in repetition by the use of a load that is just less than the maximum amount that can be moved. This number is known as the repetitions to fatigue (RTF) – you are required to stop counting the repetitions when you feel you can no longer do the exercise in a proper way or when you slow down or can't keep a steady pace.
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Qm.10 deming's pdca cycle and six sigma's dmaic methodology represent vastly different approaches to improving quality.
O TRUE
O FALSE
True. Deming's PDCA (Plan-Do-Check-Act) cycle and Six Sigma's DMAIC (Define-Measure-Analyze-Improve-Control) methodology do indeed represent different approaches to improving quality.
The PDCA cycle, also known as the Deming cycle or the Shewhart cycle, is a continuous improvement framework that focuses on iterative problem-solving. It involves planning a change or improvement (Plan), implementing the change (Do), evaluating the results (Check), and taking appropriate actions based on the evaluation (Act). The PDCA cycle emphasizes continuous learning and refinement. On the other hand, DMAIC is a structured problem-solving methodology used in Six Sigma, a quality management approach that aims to reduce defects and variability. DMAIC follows a linear approach by defining the problem or goal (Define), measuring the current performance (Measure), analyzing the data to identify root causes (Analyze), improving the process based on data-driven solutions (Improve), and establishing controls to sustain the improvements (Control). While both PDCA and DMAIC share the goal of improving quality, they differ in their specific steps and emphasis. PDCA focuses on iterative learning and adaptation, while DMAIC provides a structured framework for problem-solving and process improvement within the Six Sigma methodology.
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5. What color of visible light will have a frequency of 6.20 x 10¹4 Hz? Show your
work. Remember! 1 meter = 10° nanometers
Mechanical energy is select one because the roller coaster select one energy due to friction and air resistance as it travels down the track.State True or False your answer:a. Trueb. False
Mechanical energy is indeed select one because the roller coaster selects one energy due to friction and air resistance as it travels down the track
When a ball is thrown onto the ground, it typically begins to roll with a certain velocity. However, due to Newton's first law, the ball would theoretically keep rolling without any force acting against it. In reality, the ball eventually stops after a certain distance, which implies that a force is being applied to it; this force is known as friction. Friction provides the necessary grip to allow us to walk without slipping and can be beneficial in many cases. On the other hand, friction can also be a major hindrance to motion, and around 20% of the power from a car engine is used to overcome friction in its moving parts.
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the total charge on each plate and the separation between the plated is held constant while the area of each plate is doubled. what happens to the electric field between the plates, the potential difference across the plates, ad the stored energy in the capacitor
When the area of each plate is doubled while keeping the charge and separation constant, the electric field decreases, the potential difference remains the same, and the stored energy in the capacitor increases four times.
When the area of each plate of a capacitor is doubled while keeping the total charge on each plate and the separation between the plates constant, the following changes occur:
1. Electric Field: The electric field between the plates decreases. The electric field (E) between the plates of a capacitor is inversely proportional to the area (A) of the plates. As the area is doubled, the electric field is halved, assuming the other factors remain constant.
2. Potential Difference: The potential difference (V) across the plates remains the same. The potential difference across the plates of a capacitor depends on the charge (Q) and the capacitance (C), which is determined by the geometric and material properties of the capacitor. Since the total charge and separation between the plates are held constant, the potential difference remains unchanged.
3. Stored Energy: The stored energy in the capacitor increases four times. The energy stored in a capacitor (U) is directly proportional to the area of the plates (A). When the area is doubled, the stored energy is quadrupled (increases by a factor of four).
Therefore, when the area of each plate is doubled while keeping the charge and separation constant, the electric field decreases, the potential difference remains the same, and the stored energy in the capacitor increases four times.
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A light ray propagates in a transparent material at 16 ∘ to the normal to the surface. When it emerges into the surrounding air, it makes a 26 ∘ angle with the normal. Find the refractive index of the material.
The refractive index is 1.620.
To find the refractive index of the material, we will use Snell's Law, which relates the angles of incidence and refraction to the refractive indices of the materials. The equation for Snell's Law is:
n1 * sin(θ1) = n2 * sin(θ2)
Here, n1 and n2 are the refractive indices of the material and air respectively, and θ1 and θ2 are the angles of incidence ( angle made with normal)and refraction.
Given the information in the question:
- Angle of incidence (θ1) = 16°
- Angle of refraction (θ2) = 26°
- Refractive index of air (n2) = 1 (since air has a refractive index very close to 1)
Now, we can plug these values into Snell's Law to find the refractive index of the material (n1):
n1 * sin(16°) = 1 * sin(26°)
To solve for n1, divide both sides by sin(16°):
n1 = sin(26°) / sin(16°)
Now, calculate the values:
n1 ≈ 1.620
Therefore, the refractive index of the material is approximately 1.620.
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The most important characteristic in designing the soundproof room is to create walls that
Answer:
make sound bounce off walls
Answer:
Explanation:
Walls that absorb the sound and dont just bounce or reflect the sound straight back. Like how video makers have foam walls with ridges on their walls.
the efficiency of transformer is not 100%why?
Answer:
Hysteresis, Eddy current, flux leakage and resistance of winding are those four reasons. It is impossible to overcome this four reasons, Hence transformer never be 100% efficient.
Convert 8.1 kilograms to grams
Answer:
8100 g
Explanation:
8.1 kg × 1000
= 8100 g
Answer:
8,100 Grams
Explanation:
To change Kilograms to Grams, you multiply the mass value by 1000.
So, 8.1kg x 1000 = 8,100g.
Hope this helps!
David moves a 350 N bucket with 175 N of force using a pulley. What mechanical advantage does he have when using the pulley?
Answer:
the mechanical advantage David had when using the pulley is 2.
Explanation:
Given;
load moved by David, L = 350 N
effort applied by David, E = 175 N
The mechanical advantage David had when using the pulley is calculated as;
\(M.A = \frac{Load}{Effort} \\\\M.A = \frac{350}{175} \\\\M.A = 2\)
Therefore, the mechanical advantage David had when using the pulley is 2.
What is the chemical symbol for C6H12O6
What do digital signals turn sounds into?
analog signals
interference
continuity
zeros and ones
Answer:
zeros and ones
Explanation:
pls brainliest
The digital signals are generally in the form of zeros and ones.
The digital signals turn sounds into zeros and ones.
Digital SignalsAn electronic signal is transmitted as binary code that can be either the presence or absence of current, high and low voltages, or short pulses at a particular frequency. This signal is called a Digital Signal.
Digital signals take value in discrete form only at a given time.
Any digital signal can be converted into an analog signal with the help of a digital to analog converter.
If the sound signal is in the form of a digital signal, then it will turn the sound into the form of zeros and ones.
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In a typical lightning strike,7.83C flows from cloud to ground in 0.38 ms. What is the current during the strike?.
The current can be found as follows:
\(\begin{gathered} I=\frac{q}{t} \\ where: \\ q=7.83C \\ t=0.38ms=0.00038s \\ Therefore: \\ I=\frac{7.83}{0.00038} \\ I=20605.26316A \end{gathered}\)Answer:
Approximately 20605 A
what is a supernova type ia
The diagram shows a tennis ball being thrown vertically into the air. When the ball just left the players hand it is at the speed of 5.0 m/s . The tenis ball has the mass of 0.058 kg. Write down the equation that links kinetic energy to mass and speed
Answer:
1. KE = ½mv²
2. The kinetic energy of the tennis ball is 0.725 J
Explanation:
The following data were obtained from the question:
Mass (m) = 0.058 kg
Velocity (v) = 5.0 m/s
Kinetic energy (KE) =.?
1. Defining an expression which relates kinetic energy, mass and speed of an object.
Kinetic energy is simply defined as the energy possess by an object in motion. Mathematically, kinetic energy can be represented as:
KE = ½mv²
Where
KE => is the kinetic energy.
m => is the mass of the object.
v => is the velocity of the object.
2. Determination of the kinetic energy of the tennis ball.
Mass (m) = 0.058 kg
Velocity (v) = 5.0 m/s
Kinetic energy (KE) =.?
KE = ½mv²
KE = ½ × 0.058 × 5²
KE = 0.029 × 25
KE = 0.725 J
Thus, the kinetic energy of the tennis ball is 0.725 J.
Ways humans use gamma ray wave
Answer:
Explanation:
Gamma rays are used in medicine (radiotherapy), industry (sterilization and disinfection) and the nuclear industry. Shielding against gamma rays is essential because they can cause diseases to skin or blood, eye disorders and cancers. Hope it helps!
The bearing of grids of an AB alignment is 100º 22', while the magnetic declination is 8º30' E. What are the true azimuth, magnetic azimuth, and grid azimuth of this alignment?
The true azimuth of the AB alignment is 91º 52' (east of north), the magnetic azimuth is 100º 22' (east of north), and the grid azimuth is 108º 52' (east of north).
To find the true azimuth, magnetic azimuth, and grid azimuth of the AB alignment, we need to consider the magnetic declination. The magnetic declination indicates the angle between true north and magnetic north at a specific location. In this case, the magnetic declination is 8º 30' E, which means that the magnetic north is 8º 30' east of the true north.
To calculate the true azimuth, we subtract the magnetic declination from the grid azimuth. The grid azimuth is given as 100º 22', so subtracting the magnetic declination of 8º 30' E gives us a true azimuth of 91º 52' (east of north).
The magnetic azimuth remains the same as the grid azimuth, which is 100º 22' (east of north).
The grid azimuth is calculated by adding the magnetic declination to the true azimuth. Since the magnetic declination is east, we add it to the true azimuth. Adding 8º 30' E to the true azimuth of 91º 52' gives us a grid azimuth of 108º 52' (east of north).
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In the context Nepal, hydropower should be given more priority rather than fossil fuel. Why? Justify with two reasons.
Prioritizing hydropower in Nepal can lead to increased energy security and a more sustainable future for the country.
Nepal, hydropower should be given more priority than fossil fuels for two main reasons:
1. Abundant Water Resources: Nepal is endowed with numerous rivers and streams, which makes it an ideal location for hydropower generation. Tapping into these water resources to produce electricity can greatly contribute to the country's energy needs, while reducing its dependence on imported fossil fuels.
2. Environmental Sustainability: Hydropower is a renewable and clean energy source, unlike fossil fuels, which emit harmful greenhouse gases when burned. By prioritizing hydropower, Nepal can reduce its carbon footprint and mitigate the impacts of climate change, while also preserving its natural resources for future generations.
In summary, prioritizing hydropower in Nepal can lead to increased energy security and a more sustainable future for the country.
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A biker with a mass of 75.0 kg moves along the path with a constant velocity of 5.00m/s. What is the bikers momentum?
Given the mass of the biker is m = 75.0 kg.
The constant velocity is v = 5.00 m/s.
The momentum of the biker is calculated by the formula.
\(p=mv\)Put the given values,
\(\begin{gathered} p=(75.0kg)\times(5.00\text{ m/s)} \\ p=375kg\text{ m/s} \end{gathered}\)Thus, the biker's momentum is p = 375 kg m/s.
any main sequence star over 25 solar masses will probably retain enough matter in its core after its type ii supernova to make a black hole.
That statement is correct. Main sequence stars with masses over 25 times that of the Sun (25 solar masses) have enough mass and pressure in their cores to initiate nuclear fusion and burn through their fuel rapidly.
As a result, these massive stars evolve quickly and undergo a supernova explosion known as a Type II supernova.During a Type II supernova, the outer layers of the star are ejected into space, while the core collapses under its own gravity.
If the mass of the core is greater than the Tolman-Oppenheimer-Volkoff (TOV) limit, which is approximately 3 solar masses, the core continues to collapse beyond the neutron star phase and forms a black hole.
Since main sequence stars with masses over 25 solar masses have a higher chance of having a core mass exceeding the TOV limit, they are more likely to retain enough matter in their core after the Type II supernova to form a black hole.
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What is bulk modulus of water?
Answer:
Water has a bulk modulus of around 300,000 psi (2.1 GPa) and so a compressibility of 3.3 106 (psi)1.
Explanation:
A ball is moving with a velocity of 0.5m/s. It’s velocity is decreasing at the rate of 0.05m/s. What is its velocity after 5 seconds?
Given,
u = 0.5 m/s
a=0.05 m/s²
and v=0
Now, v = u − at
=> 0 = 0.5−(0.05×t)
=> t = 10 s
after 10s it will stop
velocity after 5s is
v = 0.5-(0.05×5) = 0.25 m/s
Answer:
0.25 meter per second
Explanation:
I hope this helps and study well
How much time elapses before the motorcycle is moving as fast as the car? A car is traveling at a steady 83 km/h in a 50 km/h zone. police motorcycle takes off at the instant the car passes it, accelerating at a steady 7.1 m/s^2. How far is the motorcycle from the car when it reaches this speed?
The motorcycle is 62.72 meters behind the car when it reaches 83 km/h.
To answer this question, we need to use the following formula to find the time elapsed before the motorcycle moved as fast as the car:
v = u + at
Where v is the final velocity, u is the initial velocity, a is the acceleration, and t is the time elapsed.
Since the car is traveling at 83 km/h and the motorcycle is accelerating at 7.1 m/s^2, we can find the time elapsed by using the formula:
83,000 / 3600 = 23.06 m/s (converting km/h to m/s)
v = u + at
t = (23.06 - 0) / 7.1
t = 3.25 seconds
Now that we have the time elapsed, we can use the following formula to find the distance between the car and the motorcycle:
d = u * t + (1/2)at^2
d = 0 * 3.25 + (1/2) * 7.1 * 3.25^2
d = 62.72 meters
So the motorcycle is 62.72 meters behind the car when it reaches 83 km/h.
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1. Write the goal of the lab or the question you tried to answer.
Answer:
Type your answer here.
Lab report density and buoyancy
The goal of the lab is to investigate the relationship between density and buoyancy. The lab aims to determine how different objects or substances behave in fluids and understand the principles of density and buoyancy through experimental observations and calculations.
The goal of the lab or the question being addressed in the lab report is to investigate and understand the concepts of density and buoyancy. Density refers to the measure of how much mass is contained within a given volume, while buoyancy refers to the upward force exerted on an object submerged in a fluid, such as water or air.
The lab report aims to explore the relationship between density, mass, and volume by conducting experiments and analyzing data. It may involve measurements of different objects or substances, determining their masses and volumes, and calculating their densities. The report may also involve experiments related to buoyancy, such as determining the buoyant force on an object and investigating factors affecting buoyancy.
By conducting the lab and analyzing the obtained results, the lab report aims to provide a deeper understanding of these fundamental concepts in physics and to demonstrate the principles of density and buoyancy through practical experimentation. The report may also include discussions of the significance and applications of density and buoyancy in various fields, such as engineering, architecture, and fluid dynamics.
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If you had a converging lens with a focal length of 2.5 cm, where would you place an object in order to have no image created?Question 10 options:At 2.5 cm24 cmBetween the lens and 5 cm Less than 12 cm
Given that the focal length of the object is F = 2.5 cm.
We have to find the position of the object such that no image is formed.
For a convex lens, the image will not be formed if it is placed at the focus.
Thus, the object should be placed at 2.5 cm as it is the focal length.
Express 48 m/s in terms of
1.km/h
2.m/min
3.km/s
4.km/minutes
48 m/s in terms of km/h is 720.8 km/h. In terms of m/min is 2880 m/min, in terms of km/s is 0.048 km/s and in terms of km/min is 2.88 km/min.
To solve this question, we need to understand some terms. The unit of velocity is measured in m/s. It can be expressed in different units of velocity.
1 km (kilometer) = 1000 meter
1 h (hour) = 3600 seconds
1 minutes = 60 seconds
To convert m/s into km/h,
48 m/s * 3600/1000 = 172.8 km/h
To convert m/s into m/min,
48 m/s * 60 = 2880 m/min
To convert m/s into km/s,
48 m/s ÷ 1000 = 0.048 km/s
To convert m/s into km/minutes,
48 m/s * 60 / 1000 = 2.88 km/min
Therefore, the 48 m/s expressed is 172.8 km/h, 2880 m/min, 0.048 km/s and 2.88 km/min.
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48 m/s is equivalent to 172.8 km/h, 2880 m/min, 0.048 km/s, and 2.88 km/minute.
To express 48 m/s in different units of velocity:
km/h (kilometers per hour):
To convert m/s to km/h, we can use the conversion factor of 3.6 since 1 m/s is equal to 3.6 km/h.
48 m/s * (3.6 km/h / 1 m/s) = 172.8 km/h
Therefore, 48 m/s is equivalent to 172.8 km/h.
m/min (meters per minute):
To convert m/s to m/min, we can use the conversion factor of 60 since there are 60 seconds in a minute.
48 m/s * (60 m/min / 1 s) = 2880 m/min
Therefore, 48 m/s is equivalent to 2880 m/min.
km/s (kilometers per second):
Since 1 kilometer is equal to 1000 meters, to convert m/s to km/s, we divide the value by 1000.
48 m/s / 1000 = 0.048 km/s
Therefore, 48 m/s is equivalent to 0.048 km/s.
km/minute (kilometers per minute):
To convert m/s to km/minute, we first need to convert m/s to km/s (as calculated in the previous step) and then multiply by 60 to convert seconds to minutes.
0.048 km/s * 60 = 2.88 km/minute
So, 48 m/s is equivalent to 2.88 km/minute.
Hence, 48 m/s is equivalent to approximately 172.8 km/h, 2880 m/min, 0.048 km/s, and 2.88 km/minute.
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The proportionality dependence of the current (i) through any conductor to the voltage (v) across it and its resistance (r) is true for all conductors regardless of temperature.
a. True
b. False
It is FALSE that the proportionality dependence of the current (i) through any conductor to the voltage (v) across it and its resistance (r) is true for all conductors regardless of temperature.
When the conductors have a higher temperature, the molecules in the conductor will be more crowded and the result is the resistance of the conductor will rise. Hence, the current flowing through the conductor will decrease in the same voltage.
In the lower temperature, the resistance of the conductor will decrease and lead to more current flowing through the conductor in the same voltage.
Thus, the conductor temperature has an effect on its resistance.
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Why can't our current theories describe the conditions that existed in the universe during the Planck era
Current theories can't describe the conditions that existed in the universe during the Planck era because of energy fluctuation.
Who was Planck?He is referred to as the father of quantum mechanics and postulated that the energy of light is proportional to the frequency with the constant being referred to as planck's constant.
Current theories can't describe the conditions that existed in the universe during the Planck era because of energy fluctuation which led to the gravitational field to randomly warp space and time.
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which form of electromagnetic radiation has the longest wavelength?
The form of electromagnetic radiation with the longest wavelength is radio waves.
Electromagnetic radiation is a form of energy that travels through space as both electric and magnetic waves that oscillate perpendicular to each other and to the direction of travel. Electromagnetic radiation includes a wide range of wavelengths, ranging from very short wavelengths, such as gamma rays, to very long wavelengths, such as radio waves.
Radio waves are a type of electromagnetic radiation with wavelengths longer than infrared radiation. They are used for communication, such as radio and television broadcasts, as well as for radar and navigation systems. Because radio waves have the longest wavelength among all forms of electromagnetic radiation, they have the lowest frequency and carry the least energy.
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a 2 kg book sits in the same room as a 5 kg vase. if the force of gravity between them is 7.41 question text :two asteroids are 75,000 m apart. one has a mass of 8 kg and the other 10 kg. if the force of gravity between them is 1.14 n, what is the mass of the other asteroid? 10-11 n, how far apart are they
The mass of the other asteroid is approximately 1.3529 * 10¹⁵kg.The force of gravity between two objects can be calculated using Newton's Law
The force of gravity between two objects can be calculated using Newton's Law of Universal Gravitation, which states that the force of gravity is directly proportional to the product of the masses of the objects and inversely proportional to the square of the distance between their centers.
In this case, we are given that the force of gravity between the two asteroids is 1.14 N and the mass of one asteroid is 8 kg. We need to find the mass of the other asteroid.
Let's use the formula for gravitational force:
F = (G * m1 * m2) / r²
where F is the force of gravity, G is the gravitational constant (approximately 6.674 * 10⁻¹¹ N m²/kg²), m1 and m2 are the masses of the two objects, and r is the distance between their centers.
We can rearrange the formula to solve for the mass of the other asteroid (m2):
m2 = (F * r²) / (G * m1)
Substituting the given values into the equation:
m2 = (1.14 N * (75,000 m)²) / (6.674 * 10⁻¹¹ N m²/kg² * 8 kg)
Calculating the expression:
m2 ≈ 1.3529 * 10¹⁵ kg
Therefore, the mass of the other asteroid is approximately 1.3529 * 10¹⁵ kg.
Please note that the calculated value is an approximation and may vary depending on the exact values used. It is always important to verify the input values and units to ensure accurate calculations.
Answer: The mass of the other asteroid is approximately 1.3529 * 10¹⁵kg.
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