State whether the following statements are true or false. Provide a brief justification for your answer.
a. Consider a SDOF system with Coulomb damping. When displaced from the equilibrium position and released, the mass may not move at all.
b. Consider a SDOF system with an ideal viscous damper. When displaced from the equilibrium position and released, the mass will always undergo oscillatory motion.
c. The damped natural frequency of a system is always greater than the undamped natural frequency
d. For an undamped system undergoing a harmonic forcing, the amplitude of the response approaches zero as the forcing frequency becomes very high.
e. The amplitude of free response of SDOF system with Coulomb damping decreases

Mathematical modeling aids in technological design by simulating how proposed system might behave. The correct option is 2.

Mathematical modelling describes a real world problem in mathematical terms or in the form of equations. This makes an engineer to discover new features about the problem and designer to alter his design for better function and output.

Mathematical models allow engineers and designers to understand how the proposed model and actual prototype will be produced.

Thus, the correct option is 2.

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Answer:

r = 1.922 mm

Explanation:

We are given;

Yield stress; σ = 250 MPa = 250 N/mm²

Force; F = 29 KN = 29000 N

Now, formula for yield stress is;

σ = F/A

A = F/σ

Where A is area = πr²

Thus;

r² = 2900/250π

r² = 3.6924

r = √3.6924

r = 1.922 mm

In CCS, Northing and Easting are Positive or negative depending on the zone.

One easy approach to describe a location on the topographic maps we provide with your written permission is to use a grid reference.

Eastings and Northings, two types of grid lines, are what make up the grid squares you see on maps. The Easting and Northing grid lines are numbered from west to east and from south to north, respectively.

The vertical lines that separate the map's west and east halves are known as eastings. The horizontal lines that divide the map from north to south are known as northings. The edge of the map has numbers for each easting and northing at 1 km intervals; these numbers are used to obtain a grid reference.

Therefore, In CCS, Northing and Easting are Positive or negative depending on the zone.

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Answer:

C Electrical Connections

Explanation:

In reading says . However, electrical

connections aren’t shown in construction drawings.

Answer:

In the first stage of the experiment where Min is focusing only on the physical properties of water and lemonade, he would not use any comparison point that relates to the taste or flavor of the two liquids. Taste and flavor are not physical properties and would require a different set of tests and observations to determine. Therefore, in the first stage of the experiment, Min would focus on physical properties such as color, density, boiling point, freezing point, viscosity, surface tension, and any other physical property that can be observed or measured without consuming the liquids or using taste buds.

The rated horsepower of two combined electric motors on a Sultium platform-based vehicle is up to 160 hp.

Sultium platform-based vehicles offer a range of electric motor configurations, from single motors to as many as three motors. When two electric motors are combined, the rated horsepower is up to 160 hp. This provides a significant boost in power and performance for the vehicle, allowing for faster acceleration, increased torque, and improved overall handling. With this increased power, the vehicle is able to reach higher top speeds, with a maximum speed of up to 250 km/h, making it suitable for both highway and off-road use. The two combined electric motors also provide greater efficiency than a single motor, helping to reduce emissions while still providing an impressive amount of power.

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Answer:

Explanation:

The following code was written in Java. It creates classes for each one of the shapes requested and includes all of their variables and the area method, as well as a toString method. Then in the main method, the menu is created which allows the user to enter the shape that they want and if they decide to exit it will print out every shape within the shapes array. Due to technical reasons I have added the code as a txt file below and in the picture you can see the output.

Answer:

The major financial flop that led to the end of the Sega Dreamcast and ultimately caused Sega to stop making game consoles altogether is:

3: A game called Shenmue, that cost more than $70 million to make, meant that everyone who owned a Dreamcast needed to buy two copies of the game just for Sega to make back the money they had spent to develop it-which didn't happen.

Explanation:

Shenmue, released on December 29, 1999, was created for Dreamcast by Suzuki.  It was widely described as the most expensive video game ever produced.  It had an estimated production and marketing cost of between US$47 and $70 million, according to the latest available data.

In contrast to mobile work zones, stationary work zones have clearly defined boundaries.

According to the 2009 edition of the Manual on Uniform Traffic Control Devices (MUTCD), a short-term stationary work zone is "daytime work that occupies a location for more than one hour within a single daylight period."

The following are typical daytime work shift-length tasks:

paving the road, fixing broken underground water lines, fixing storm water catch basins, trimming trees along the road, and parking work vehicles for a long time on the side of the road. The minimum traffic control planning and devices that are required to safely direct motorists, bicyclists, and pedestrians around workers and work vehicles during daylight hours will be discussed in this bulletin. Night operations necessitate additional equipment and planning, which is not the subject of this bulletin.

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Answer: Cleaning of mechanical parts is necessary to remove contaminants, and to avoid clogging of wastes which could restrict the functioning of the machine.

Explanation:

There are different agents used for cleaning different machine instruments to prevent their corrosion and experience proper cleaning.

Backing plates must be dry cleaned using a cotton cloth to remove the dirt, dust or any other dry contaminant.

Struts can be wet cleaned by applying alcoholic solvent.

Levers can be cleaned using a mineral spirit.

Metallic plates can be cleaned using water based solution or water.

Answer:

A) F = 0.011 N

B) ΔP = 5.6 N/m²

Explanation:

We are given;

surface tension coefficient; S = 0.07 N/m

Radius; r = 2.5 mm = 0.025 m

A) Formula to find the surface tension force(F) is given by;

F = SL

Where L is effective length = 2πr

F = 0.07 × 2π × 0.025

F = 0.011 N

B) Formula for difference in pressure droplet is;

ΔP = 2S/r

Thus;

ΔP = (2 × 0.07)/0.025

ΔP = 5.6 N/m²

ᴄᴏᴍᴘʟᴇᴛᴇɴᴇꜱꜱ ᴍᴇᴀɴꜱ ᴛʜᴇ ꜱᴛᴀᴛᴇ ᴏꜰ ʙᴇɪɴɢ ᴄᴏᴍᴘʟᴇᴛᴇ ᴀɴᴅ ᴇɴᴛɪʀᴇ; ʜᴀᴠɪɴɢ ᴇᴠᴇʀʏᴛʜɪɴɢ ᴛʜᴀᴛ ɪꜱ ɴᴇᴇᴅᴇᴅ.

ʙᴇᴀᴜᴛʏ ᴍᴇᴀɴꜱ combination of qualities, such as shape, colour, or form, that pleases the aesthetic senses, especially the sight.

Answer: its c

Explanation:

If you enter 34.3 57.8 789 and then press ENTER, the program will read the input using the Scanner class and store the first two values (34 and 57) in v1 and v2 as integers, respectively.

If you enter 34.3 57.8 789 and then press ENTER, the program will read the input using the Scanner class and store the first two values (34 and 57) in v1 and v2 as integers, respectively. However, since the input for the first value is a decimal number (34.3), the program will encounter a runtime error and will not be able to read the second value or the rest of the input. Therefore, option B is correct.
The last statement in the code reads the remaining characters from the input stream, which includes the newline character after pressing ENTER. So, after the last statement is executed, line will contain the characters '7', '8', '9', and '\n'. Therefore, option C is also correct.

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In the scaffold, the intermediate bracing supports every 26 feet while the the lowest brace being no greater than 20 feet.

Scaffolding simply means a temporary structure that's used to support a work crew.

In this case, the height is 83 feet and the base width is 5 feet. The height to the width ratio will be:

= 83/5 = 16.6 > 4.

Therefore, the scaffold will be restrained. Lowest brace will be placed at 20 and intermediate support braces at 26 feet.

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F=m*a

F=80*20

F =1600 ans"

Answer: basically we are asked to find it's force and the formula that helps us to find force is Force= Mass× Acceleration

so let's put out the given and what we need to find

GIVEN. Solution

F=m.a

Mass= 1300. F=1300kg×20m/s

speed (Acceleration)=20m/2. F=26000Kg.m/s

Force=? F=26000N

N stands for Newton and the reason that it comes Newton is because it is the SI-unit of Force and the result of kg×m/s.

the magnetic field of the eight-cylinder engine must be able to build up and collapse 4,000 times in 1 second.

When an eight-cylinder engine with a single coil is running at 3,000 rpm (revolutions per minute), its magnetic field must be able to build up and collapse 4,000 times in 1 second.

To calculate this, we can use the following formula:

Number of cycles per second = (Engine RPM / 60) * Number of cylinders

In this case, the engine has eight cylinders, and it is running at 3,000 rpm. Plugging these values into the formula, we get:

Number of cycles per second = (3000 / 60) * 8 = 50 * 8 = 4000

Therefore, the magnetic field of the eight-cylinder engine must be able to build up and collapse 4,000 times in 1 second.

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Valve supervisory initiating devices are designed to detect the movement or position of a valve and initiate a supervisory signal in the event of any abnormal conditions.

The specific requirements regarding the initiation of the supervisory signal may vary depending on the applicable codes and standards. However, a common requirement is that the supervisory signal should be initiated within a certain revolution(s) of the hand wheel or a certain percentage of the travel distance of the valve.

The exact number of revolutions or percentage of travel distance can vary, but typically, it is expected that the supervisory signal should be initiated within one revolution of the hand wheel or within a range of 20% to 30% of the total travel distance of the valve.

These requirements ensure that any abnormal conditions or unauthorized adjustments to the valve are detected promptly and the supervisory system is alerted, allowing for appropriate action to be taken to address the situation and ensure the proper functioning of the valve system.

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Cyber forensics Syslog is generally configured to put all e-mail related log information into "/var /log/maillog." file. The correct answer is option B.

Syslog is a service that collects and stores log data from various sources within a network. It is generally configured to put all email-related log information into a specific file to aid in the troubleshooting and forensic analysis of email-related issues. The file where email-related logs are stored depends on the operating system and the specific configuration, but in most cases, the logs are stored in the file "/var /log/maillog." This file can be analyzed using various tools to extract relevant information related to email activity on a network. Option B is the correct answer.

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n, √n, 2/n, 2n/2, 37, 2n < n1.5 < n2 < nlogn < n log2 n < n log(n2) < n log log n < n2 log n < n3

Functions that grow at the same rate: n, √n, 2/n, 2n/2, and 37

What is function
In programming, a function is a block of code that performs a specific task. It is often used to perform a task based on given parameters, and can be reused multiple times. Functions are essential components of programming, and can be found in many different programming languages.

When a function is not functioning properly, it may not be producing the desired output or might be producing incorrect results. This could be due to a number of factors, such as incorrect syntax, a logical error in the code, or a bug in the code. In order to fix the issue, it is important to identify what is causing the malfunction and make any necessary changes to the code.

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Answer:

end mill 4 flute

Explanation:

you can simply hook it up

Answer:

A

Explanation:

Answer:

the answer is a

Explanation:

it is a because thats what the answer is

Given that,

Mass of the object 1, m = 107.01 grams

To find,

Force on the object.

Solution,

The force acting on the object is gravitational force. The force is given by the formula as follow :

F = mg

g is acceleration due to gravity

F = 0.10701 kg × 9.8 m/s²

F = 1.048 N

So, the force acting on object 1 is 1.048 N.

The crystallinity of cellulose as well as its polar qualities makes it less difficult to dissolve. It has a three-dimensional hydrogen bond (H-bond) arrangement with the hydroxyl group connected to each polymer chain. On the other hand, Hydrocarbon polymers are nonpolar, and nonpolar solvents are used to dissolve them.

Cellulose is an organic molecule with the formula n that is a polysaccharide made up of a linear chain of hundreds to thousands of β  linked D-glucose units. Cellulose is a structural component of the major cell wall of green plants, many algae, and oomycetes.

Cellulose is the principal component present in plant cell walls and aids in the plant's stiffness and strength. Although cellulose cannot be digested by humans, it is an essential source of fiber in the diet. Cellulose is utilized in the production of clothing and paper.

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Answer:

mobile

Explanation:

.

Answer:

Mobile crane

Explanation:

The two types of cranes are overhead and mobile.

Answer:

An algotherum is a finite set of sequential instructions to accomplish a task where instructions are written in a simple English language

Answer:

ALL CAREFULLY ANSWERED CORRECTLY

Explanation:

1) A loaf of Bread PHYSICAL SYSTEM

✓ How can the environment affect the edibility of the bread

✓ What are the constituents that makes up the bread

✓ What process is involved in these constituents mixing to form the loaf.

2) The law of thermodynamics makes us to understand that when heat/energy passes through a system, the systems internal energy changes with respect to the conservation of energy law. That is energy lost = energy gained. Typically, ice would melt in a cup of hot tea because of the thermal energy in the molecules of the hot tea. When you heat a material, you are adding thermal kinetic energy to its molecules and usually raising its temperature. The temperature of the ice raises due to the kinetic energy added to it and it melts to water.

3) The theory of systems view the world as a complex system of interconnected parts. If we consider the society; (financial systems, political systems, etc) we will agree that they individually have their own components and it's the summation of this components that makes the system, this implies that system thinking could be applicable in this kinda of systems as long as they are made up of components.

4) Technology has boosted every sector of our lives and it has the capacity to do more. Restricting it's importance to entertainment alone would be an underusing of its potentials. Engineering students infact should not need any drive to be encouraged about maximizing all it can do in shaping our world.

5) ~ Nature shows its splendid soul

~Never ceases to leave us in amazement

~And we are in love

An object that contains a physical system is a T.V. remote control. Three questions that contain physical systems are:

Sensors, motors, and robots are examples of physical systems. The use of the TV remote controls, traffic lights, security systems, air conditioning systems, and automatic doors are just a few examples given. We give explanations for why we employ physical systems.

A physical system is made up of components or elements that when put together display behavior that its component parts alone do not. (Biological systems and living systems are included in this definition.) The two components of physical systems are matter and energy.

Therefore, a TV remote control is an item that houses a physical system. Three questions are:

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Answer:The magnetic field in a solenoid formula is given by, B = μoIN / L B = (1.26×10−6 × 15 × 360) / 0.8 B = 8.505 × 10−3 N/Amps m

Explanation:

The magnetic field generated by the solenoid is 8.505 × 10−4 N/Amps m.

The statement "We should always have a bag of gypsum in the field in case the cement is reacting too fast" is correct. Gypsum is used in construction projects to slow down the setting time of cement.

Gypsum is used in the construction industry because it has a special property that allows it to slow down the setting time of cement. This can be useful in many different situations. For example, if the weather is particularly hot or dry, cement can sometimes set too fast. This can be problematic because it may not give the workers enough time to complete the job before the cement sets. By adding gypsum to the cement mixture, the workers can extend the working time, and the cement will not set too fast.

Cement is a type of building material that is used to create foundations, walls, and other structures. It is made by mixing sand, gravel, and other materials with water to create a paste. This paste is then allowed to dry and harden into a solid mass. However, the drying and hardening process can sometimes happen too quickly, which can be a problem for workers who need more time to complete their work. Adding gypsum to the cement mixture can slow down this process and make it easier for workers to complete their jobs on time.

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