how to find normal and shear stress on a plane

The three product which can be potentially fail considering Load Strength graph and precautionary measure to prevent failure are as below;

Ball Pen:

1. Ink Leakage: One potential failure of a ball pen is ink leakage. This can occur due to poor sealing between the ink reservoir and the ballpoint mechanism. Ink leakage can result in messy hands, stained documents, and reduced functionality of the pen. To prevent this failure, manufacturers can improve the quality control process to ensure proper sealing and use high-quality materials for the pen's components.

2. Ballpoint Jamming: Another failure is ballpoint jamming, where the ball gets stuck and prevents smooth writing. This can be caused by a buildup of dried ink or debris inside the pen's mechanism. To prevent ballpoint jamming, regular cleaning and maintenance of the pen can be recommended. Additionally, manufacturers can design the pen with features that facilitate easy cleaning or provide instructions on how to clear any blockages.

3. Weak Barrel Construction: The barrel of the pen may also be prone to failure if it is weak or brittle. Excessive pressure or rough handling can lead to cracks or breakage, rendering the pen unusable. To prevent this, manufacturers can use durable materials for the pen barrel, such as sturdy plastics or reinforced metal, and perform quality checks to ensure structural integrity.

Room Key:

1. Keycard Malfunction: A potential failure of a room key is a malfunction in its electronic components. This can result in the keycard being unreadable by the door lock system, preventing access to the room. To prevent this failure, regular maintenance and replacement of keycard readers can be implemented. Additionally, guests should be advised to keep their keycards away from magnets and electronic devices that can interfere with the card's functionality.

2. Magnetic Strip Damage: Another failure can occur if the magnetic strip on the keycard gets damaged or demagnetized. This can happen due to exposure to magnetic fields or physical damage. To prevent this failure, keycards can be made more durable with protective coatings or alternative technologies such as RFID. Guests should also be educated on proper handling and storage of keycards to avoid damage.

3. Battery Drain: Some room keys use batteries to power their electronic components. A failure can occur if the battery drains, leading to an inactive keycard. To prevent this, low-power consumption designs can be implemented, and regular battery checks or replacements can be carried out by hotel staff. Guests should be informed about the importance of returning the keycard to the front desk for recycling or proper disposal to ensure the battery is replaced as needed.

Blender:

1. Motor Burnout: One potential failure of a blender is motor burnout due to prolonged use or overloading. Continuous operation at high speeds or attempting to blend hard or frozen ingredients beyond the blender's capacity can cause the motor to overheat and fail. To prevent motor burnout, manufacturers can provide clear guidelines on the maximum load capacity and recommended usage durations. Automatic thermal protection mechanisms can also be incorporated to shut off the blender if it detects excessive heat.

2. Blade Jamming: Another failure can occur if food particles or ingredients get jammed between the blender's blades, preventing them from spinning freely. This can happen if the blender is not properly cleaned or if ingredients are not adequately prepared before blending. To prevent blade jamming, users should be advised to clean the blender thoroughly after each use and ensure that ingredients are cut into manageable sizes. Manufacturers can also design blades with accessible mechanisms for easy cleaning or provide cleaning tools.

3. Leakage: A failure in a blender can also manifest as leakage. This can happen if the blender jar or its sealing components are damaged or improperly assembled. Liquid or food can leak out during blending, resulting in a messy and potentially unsafe situation. To prevent leakage, manufacturers should ensure proper sealing mechanisms and use high-quality materials for the blender jar and lid. Regular inspection of the sealing components can be advised,

Learn more about FAILURE OF THE PRODUCT here: https://brainly.com/question/9528155

#SPJ11

The largest earthquake in the world in 2016 occurred on 17 December in  Papua New Guinea and had a magnitude of 7.9 on the Richter scale.

An earthquake is defined as a natural disaster in which tectonic plates of the earth's crust suddenly move as a consequence of the release of pressure by contact, which may be associated with dramatic disasters. Earthquake power is measured as units on the Richter scale.

Therefore, with this data, we can see that the largest earthquake in 2016 occurred in Papua New Guinea (Oceania continent) and it had a magnitude of 7.9.

Learn more about earthquakes here:

https://brainly.com/question/248561

#SPJ1

Based on the figures provided, we can see that the air-track glider initially had a velocity of approximately 0.3 m/s before colliding with the spring. The force exerted on the glider by the spring reached a peak of approximately 16 N before gradually decreasing over time.

To further analyze this collision, we would need to know more information about the spring constant and the duration of the collision. This would allow us to calculate the amount of energy transferred between the glider and the spring, as well as the resulting changes in the glider's velocity and momentum.

Overall, the collision between the air-track glider and the spring represents an example of a simple harmonic motion system, where the glider oscillates back and forth along the track due to the restoring force of the spring. This type of system is commonly used in physics experiments and can provide valuable insights into the nature of mechanical motion and energy transfer.

To know more about simple harmonic motion :

https://brainly.com/question/2195012

#SPJ11

:

Please give me brainly,

The thermal energy of an object depends on three things: 4 the number of molecules in the object 4 the temperature of the object (average molecular motion) 4 the arrangement of the object's molecules (states of matter). The more molecules an object has at a given temperature, the more thermal energy it has.

Mass and Temperarture

I am pretty sure that is right if Not sorry

Have a great day.

The rarest type of stars is those that are more than 50 solar masses.

How are stars categorized?

Stars are categorized on the basis of mass, spectral behavior, and temperature.

There are 7 spectral types of stars:

Thus, the rarest type of stars are the O-type stars that have more than 50 times the solar mass of the sun.

Learn more about stars here:

https://brainly.com/question/11624159

#SPJ4

Answer:

Avg speed = 60 miles per hour

Explanation:

We generally know that,

→ Speed = Distance ÷ Time

Formula we use,

→ s = d/t

Now the average speed will be,

→ s = d/t

→ s = 180/3

→ [ s = 60 ]

Hence, average speed is 60.

Answer:

\(\huge\boxed{\sf v = 50\ miles / hr}\)

Explanation:

Given Data:

Distance = S = 25 miles

Time = t = 0.5 hours

Required:

Speed = v = ?

Formula:

v = S/t

Solution:

v = 25 / 0.5

v = 50 miles / hr

\(\rule[225]{225}{2}\)

Hope this helped!

Answer:

Explanation:

In Ptolemy's geocentric model of the universe, the Sun, the Moon, and each planet orbit a stationary Earth. He had them in circle orbits.

Galileo's model showed that the sun was the centre of the universe. That everything orbited around the earth. He also saw that they we in elliptical orbits.

Galileo proved Ptolemy wrong because Ptolemy said that everything orbited the earth and they orbited in circle but they orbit in ovals (elliptical) and that they orbit the sun.

Ptolemy was an astronomer, who developed the solar system based on the Earth as its center around which all the planets and Sun revolve. Galileo abolished this model by proving the Sun as the center of the solar system.

The Ptolemy model can be explained as:

Ptolemy model involved the Earth as its center. He believed that the moon was orbiting around the Earth, which is then followed by mercury, venus, and then Sun.

The Galileo model is explained as:

The Galileo model of the solar system involved the sun at the center of the solar system. He used his telescope to prove that all planets revolve around the Sun, in a solar system.

Galileo proved the Ptolemy model wrong by proving that Venus went through full sets of phases similar to the moon.

Thus, the galileo gave the heliocentric model, which is followed till today.

To know more about the solar system, refer to the following link:

https://brainly.com/question/12075871

The kinetic energy of the block at the bottom of the hill is 150 Joules.

The kinetic energy of the 3 kg ice block at the bottom of the hill can be calculated using the formula:

Kinetic Energy (KE) = 0.5 × mass × velocity^2

Plugging in the given values:

KE = 0.5 × 3 kg × (10 m/s)^2
KE = 1.5 kg × 100 m^2/s^2
KE = 150 J (joules)

To find the kinetic energy of the block at the bottom of the hill, we first need to calculate its initial kinetic energy before it starts climbing the hill. The kinetic energy of an object is given by the formula:

Kinetic Energy = 1/2 * mass * velocity^2

Using the given values, we can calculate the initial kinetic energy of the block as:

Kinetic Energy = 1/2 * 3 kg * (10 m/s)^2 = 150 J

Now, as the block starts climbing the hill, some of its kinetic energy will be converted into potential energy due to the increase in height. However, since the question only asks for the kinetic energy at the bottom of the hill, we don't need to worry about this conversion.

Therefore, the kinetic energy of the block at the bottom of the hill is still 150 J.

Learn more about kinetic energy  here:-

https://brainly.com/question/999862

#SPJ11

Answer: When ecosystems collapse, they rapidly lose their structure and function, with dramatic changes to their size or extent, or the species that comprise them. These losses tend to homogenize and simplify the ecosystem – fewer species, fewer habitats, and fewer connections between the two. This is why when an ecosystem failure is fatal, it's unable to recover

The statement that correctly compares the number of protons and electrons in atoms of rubidium (Rb) and calcium (Ca) is that Rubidium has more protons and more electrons than calcium (option D).

The proton of an atom is the positively charged subatomic particle forming part of the nucleus of an atom and determining the atomic number of an element.

On the other hand, the electron is the subatomic particle having a negative charge and orbiting the nucleus.

In a neutral atom, the number of protons equals the number of electrons.

Rubidium posseses a nucleus that consists of 37 protons and 37 electrons while Calcium posseses 20 protons and 20 electrons.

Therefore, the statement that correctly compares the number of protons and electrons in atoms of rubidium (Rb) and calcium (Ca) is that Rubidium has more protons and more electrons than calcium.

Learn more about protons at: https://brainly.com/question/12535409

#SPJ1

Answer:

CO2 + H2O + O2

Explanation:

The correct statement that identifies the products of photosynthesis is C6H12O6 + O2. In photosynthesis, carbon dioxide, water, and light are used to produce glucose and oxygen.

Photosynthesis is a biological process that converts light energy, usually from the Sun, into chemical energy in plants, algae and certain types of bacteria. The photosynthesis formula is usually depicted as: 6CO2 + 6H2O + light energy = C6H12O6 + 6O2. This means that the correct statement that identifies the products of photosynthesis is C6H12O6 + O2. In this reaction, carbon dioxide (CO2), water (H2O) and light are used to produce glucose (C6H12O6) and oxygen (O2). The glucose is used by the plant for energy and growth while oxygen is a byproduct released into the atmosphere.

https://brainly.com/question/29764662

#SPJ2

To capture a crisp photograph of a running dog on a bright day, the camera should use a fast shutter speed to freeze the motion of the subject.

The exact shutter speed needed will depend on the speed of the dog and the distance from the camera, but as a general guideline, a shutter speed of at least 1/500th of a second or faster should be used. In bright sunlight, it is common to use a low ISO setting and a narrow aperture (high f-stop number) to further increase the shutter speed. This will allow the camera to capture the image without overexposing the image

Learn more about speed

https://brainly.com/question/28224010

#SPJ4

Answer:501.67 cm²

Explanation:We can use the formula for thermal expansion:

A₂= A₁(1+αΔ T)

Where:

A₁=500 cm²( initial area at0°C)

A₂= area at80°C( what we want to find)

α= coefficient of linear thermal expansion of copper(16.8 x10^-6/° C)

Δ T= change in temperature(80°C-0°C=80°C)

Pl ugging in the values, we get:

A₂=500 cm²(1+16.8 x10^-6/° C x80°C)

A₂=500 cm²(1+0.001344)

A₂=500 cm² x1.001344

A₂=501.67 cm²

Therefore, the area of the copper sheet at80°C is approximately501.67 cm².

Answer:

To send a pulse of different speed, change the tension or stretch on the spring

Explanation:

A pulse is a single disturbance of a particle is a medium. The pulse has an amplitude or and a pulse length in the medium. The speed of the pulse is dependent on the amount of strain or tension ( stretch) applied to the medium. The speed also determines the length of the pulse but is unaffected by the or amplitude of the pulse.  

Answer:

By the use of carbon nanotubes as the clothing material.

Explanation:

Carbon nanotubes is a technology designed by engineers that could make charging of the cell of a phone possible. It has some some required properties like it is strong, conductive and heat-resistant which are suitable for the purpose.

This technology which involves a progressive dipping of a pure cotton material into nafion polymer, then in a chemical solution of carbon nanotubes and finally in polystyrene until it becomes saturated and have a conductive property. The conductive cotton can be used to make such cloths which becomes conductive and produces some electromagnetic waves when there is a contact with sweat or fluid from the body. The waves generated can be used to charge a cell phone through radiation interaction.

Answer:

rusting is a chemical property because it is irreversible it changes the identity of a substance

Answer:

C. chemical property

Explanation:

a chemical property of iron is that it is capable of combining with oxygen to form iron oxide，the chemical name of rust

The light-gathering power of the 3-m diameter telescope compared to the 1-m telescope is 9 times.

The аmount of light cаptured by а telescope's primаry mirror is known аs its light-gаthering power. The аmount of light the mirror cаn collect is proportionаl to the squаre of its diаmeter.

The formulа for the light-gаthering power of а telescope is:

(Diаmeter of Telescope)²

For exаmple, if а 2-meter telescope аnd а 4-meter telescope аre compаred, the lаtter will be four times more powerful becаuse (4/2)² = 4.

Therefore, а 3-meter diаmeter telescope's light-gаthering power compаred to а 1-meter diаmeter telescope is (3/1)² = 9 times more powerful.

For more information about light gathering power refers to the link: https://brainly.com/question/14664157

#SPJ11

Answer:

Explanation:

frequency=1/time period

50=1/time

time=1/50

time=0.020 s

Answer: A

Explanation:

Therefore, to focus on an object 0.540 m in front of the lens, the lens-to-film distance should be 37.6 mm. This means that we need to move the lens closer to the film by 2.4 mm (40.0 mm - 37.6 mm) in order to bring the image of the closer object into sharp focus.

When a camera lens is focused on a distant object, the distance between the lens and the film (or digital sensor) is equal to the focal length of the lens. This is because the lens is designed to bring parallel rays of light to a focus at a specific distance from the lens, which is called the focal length.

In this case, we are given that the lens-to-film distance for the distant object is 40.0 mm. This means that the focal length of the lens is also 40.0 mm, assuming that the lens is a thin lens with negligible thickness.

To focus on an object 0.540 m in front of the lens, we need to adjust the lens-to-film distance to bring the image of the object into sharp focus on the film. The formula that relates the lens-to-film distance, the object distance, and the focal length of the lens is:

1/f = 1/d_o + 1/d_i

where f is the focal length, d_o is the object distance, and d_i is the image distance (which is equal to the lens-to-film distance for a thin lens).

We can rearrange this equation to solve for d_i:

1/d_i = 1/f - 1/d_o

d_i = 1 / (1/f - 1/d_o)

Plugging in the values we know, we get:

d_i = 1 / (1/40.0 mm - 1/0.540 m)

d_i = 37.6 mm

To know more about single-lens camera,

https://brainly.com/question/14097025

#SPJ11

To find:

Which of the planets has the highest density.

Explanation:

Neptune is known as the ice planet. It has a higher density than gas giants but a lower density than rocky planets. The density of the Neptune is 1638 kg/m³.

Jupiter is known as a gas giant. Gas giants has the lowest densities. The density of Jupiter is 1326 kg/m³.

The Earth and the Mercury are rocky planets. The densities of rocky planets are more than that of the gas giants and ice giants. The density of the Earth is 5514 kg/m³ and the density of the Mercury is 5429 kg/m³.

Final answer:

On comparing the densities of the planets, the Earth has the highest density.

Thus the correct answer is option C.

Answer:

B

Explanation:

Electron must pass the potential difference of ΔV ≈ -798.1 V to accomplish this.

The negative sign indicates that the electron needs to pass through a potential difference of 798.1 V (volts) in the opposite direction of the electric field to achieve the desired acceleration.

To calculate the potential difference through which an electron must pass to accelerate from a velocity of 5.00×10^6 m/s to 7.00×10^6 m/s, we can use the kinetic energy equation for a moving charged particle:

ΔK = qΔV

where ΔK is the change in kinetic energy, q is the charge of the electron, and ΔV is the potential difference.

The change in kinetic energy can be calculated using the formula:

ΔK = (1/2)mv^2_final - (1/2)mv^2_initial

where m is the mass of the electron, v_final is the final velocity, and v_initial is the initial velocity.

Substituting the given values:

ΔK = (1/2)(9.11×10^-31 kg)(7.00×10^6 m/s)^2 - (1/2)(9.11×10^-31 kg)(5.00×10^6 m/s)^2

ΔK ≈ 1.277 × 10^-16 J

Since the charge of the electron is -1.6 × 10^-19 C, we can rearrange the equation to solve for the potential difference:

ΔV = ΔK / q

ΔV = (1.277 × 10^-16 J) / (-1.6 × 10^-19 C)

ΔV ≈ -798.1 V

The negative sign indicates that the electron needs to pass through a potential difference of 798.1 V (volts) in the opposite direction of the electric field to achieve the desired acceleration.

For more such questions on potential difference, click on:

https://brainly.com/question/25895069

#SPJ11

The net forces on the box acting perpendicular and parallel to the floor are

∑ F[perp] = F[normal] - 325 N + (475 N) sin(-35°) = 0

∑ F[perp] = (475 N) cos(-35°) - F[friction] = ma

where m is the mass of the box and a is its acceleration.

Solve for F[normal] :

F[normal] = 325 N + (475 N) sin(35°) ≈ 597 N

Then the frictional force has magnitude

F[friction] = 0.55 F[normal] ≈ 329 N

and so

60.5 N ≈ (325 N) a/g

(note that sin(-35°) = -sin(35°), cos(-35°) = cos(35°), and mg = 325 N so m = (325 N)/g)

Solve for a :

a = (60.5 N) / (325 N) g ≈ 1.82 m/s²

(a) Assuming this acceleration is constant, starting from rest, the box achieves a final velocity v such that

v² = 2a∆x

v² = 2 (1.82 m/s²) (5.80 m)

⇒   v ≈ 4.60 m/s

which happens in time t such that

v = at

4.60 m/s = (1.82 m/s²) t

⇒   t ≈ 0.177 s

(b) Let µ be the coefficient of static friction. The box just begins to slide if the magnitude of the parallel component of the applied force matches the magnitude of friction, i.e.

∑ F[para] = (475 N) cos(-35°) - F[friction] = 0

We have

F[friction] = µ F[normal] = (597 N) µ

so that

(597 N) µ = (475 N) cos(35°)

⇒   µ ≈ 0.651

Answer:

what person above said is correct

Explanation:

The walls of the concert halls are used to control the acoustic. ... Rough surfaces can also be used to disperse sound in all directions – this might be used in concert halls to get rid of echoes that would distract from performances.

An acoustic panel is a sound-absorbing panel used to mitigate noise and reduce the reverberation and echo in a space. For both types, we can talk about different principles of good acoustics: absorption, diffusion, and attenuation. These are all linked to the acoustic performance of the panels.

Breaking the sound barrier, which is the transition from subsonic to supersonic speed, presented several challenges and obstacles for scientists and engineers. Some of the obstacles faced were:

1. Aerodynamic forces: As an aircraft approaches the speed of sound, it encounters a range of aerodynamic forces that can cause instability and vibrations. These forces include shock waves, which can create areas of high pressure and drag on the aircraft, making it difficult to maintain control.

2. Engine power: Breaking the sound barrier requires a significant amount of engine power to overcome the drag and other aerodynamic forces. Developing engines that were powerful enough to achieve supersonic speeds was a major challenge for scientists and engineers.

3. Structural integrity: The shock waves and other forces encountered during supersonic flight can place significant stress on an aircraft's structure, potentially leading to failure or damage. Designing and building aircraft that could withstand these forces was a major challenge.

4. Instrumentation: To safely break the sound barrier, pilots need accurate and reliable instrumentation to monitor the aircraft's speed, altitude, and other critical parameters.

Developing instrumentation that could function reliably at supersonic speeds was another obstacle that scientists and engineers had to overcome.

In summary, breaking the sound barrier presented several challenges and obstacles, including aerodynamic forces, engine power, structural integrity, and instrumentation. Overcoming these obstacles required significant advances in technology and engineering.

To know more about sound barrier refer here

https://brainly.com/question/31029109#

#SPJ11

The pressure at the bottom of a body of water is the weight of water per one-meter square area.

The force applied perpendicularly to an object's surface per unit area across which that force is dispersed is known as the pressure. The definition of it is force per unit area. It is usually more convenient to use pressure rather than force to describe the influences upon the behaviour of fluid. various units are used to express pressure.

In a column of fluid, pressure increases with depth as a result of the weight of the overlying fluid. As a result, the bottom of a fluid column suffers more pressure than the top, as does an object submerged in the column.

To know more about pressure:

https://brainly.com/question/1118467

#SPJ4

The celerity of a wave train (group of swell) in the open ocean is 14 meter per second.

oceanography :

average wavelength of open ocean, l = 140 meters

time period, t = 10 seconds

speed of the train is calculated as :

140/10 = 14m/s

speed of train = 14m/s

The celerity of a wave train (group of swell) in the open ocean is 14 meter per second.

To know more about wavelength

https://brainly.com/question/13533093

#SPJ4

Answer: Innovations originally designed for space vehicles, including artificial muscle systems, robotic sensors, diamond-joint coatings, and temper foam,

Explanation: make artificial human limbs more functional, durable, comfortable, and life-like.