What is kinetic energy?

Answers

Answer 1

Answer:

kinetic energy means energy which a body possesses by virtue of being in motion

Answer 2

Answer:

Kinetic Energy is a type of energy which a body possesses by virtue of being in motion.

OR

It's the energy of mass in motion.

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Related Questions

what kind of line is used to indicate the supporting beam

Answers

Answer:horizontal

Explanation: because it is supporting it

Built-up roofing, also called BUR, is the most common roofing material used on low-slope roofs. It is composed of alternating layers of reinforcing fabric and bitumen (asphalt) and is finished with a top layer of aggregate, such as stone or gravel.

what is the difference between science and engineering?

Answers

Answer:

The following table is among some of the discrepancies between some of the different topics.

Explanation:

Science seems to be the application of structured organized facts which could be interpreted scientifically because when engineering would be a branch of science which deals with either the profession of acquiring including using technological, computational, economical and severity of adverse effects to design and manufacture equipment and devices that seem to be beneficial to mankind.Science would be a set of information and established frameworks whereas the use of these models and information to construct structures as well as mechanisms becomes engineering.

3. An underground copper pipe is used to transport oil under a factory. It is very important that this pipe does not oxidize, so engineers use impressed current cathodic protection. a. Would zinc be an appropriate metal to use for cathodic protection? Why or why not? (4 points) b. Engineers attach a sacrificial anode to the copper pipe. To use impressed current cathodic protection, they must attach a battery between the cathode and anode. Which material should the positive side of the battery be attached to? Explain how you know. (4 points)

Answers

Answer:

a) Copper corrosion is prevented by an external current source that provides a condition around the copper that halts the rust through current cathodic protection

Due to the location of the pipeline, an material such as graphite, titanium, or niobium can be used which lasts longer that zinc can be used for longevity of the protection

b) The positive side of the output DC terminals are attached to the anodes such as graphite, while the negative terminals are connected to the copper pipe to be protected

Explanation:

Making the protected metal the cathode will make the metal be the source of electrons into the reaction taking place such that the release of the positive metal ions that results in disintegration takes place at the anode and as such the protected metal made the cathode, to which the negative terminal of the battery is attached is protected.

If sail boats A and B are approaching each other with the wind on different sides, why is vessel A considered the give-way vessel (vessel that must take early and substantial action to avoid a collision)?

Answers

Answer:

The reason is because when the wind approaches each sailboat from a different side, the sailboat that the wind approaches from the port side, which is the left side is the give-way vessel.

Whereby the wind approaches the vessel A from the port (left) side then vessel A is considered the give-way vessel

The give-way vessel is the vessel that will have to take expeditious steps to create  access for the other vessels by either changing course, stopping, or moving with reduced speed

Explanation:

Steam enters an adiabatic turbine at 8 MPa and 500 C with a mass flow rate of 3 kg/s andleaves at 30 kPa.The isentropic efficiency of the turbine is 0.90. Neglecting the kinetic energy change of the steam, determine (a) the tem-perature at the turbine exit and (b) the power output of theturbine

Answers

Answer:

(a) The exit temperature = 69.1°C

(b)  The power output = 8.3 MW

Explanation:

(a) The enthalpy of steam at 8 MPa and 500°C is given (from online sources) as h₁ = 3399 kJ/kg

The exit temperature = The saturation temperature at 30 kPa = T₄ = 69.096 + 273.15 = 342.246 K

The exit temperature = 69.1°C

(b) The mass flow rate = 3 kg/s

The isentropic efficiency = 0.9 = (h₁ - h₂)/(h₁ - h₂[tex]_s[/tex])

s₁ = 6.727 kJ/kgK

h₂[tex]_s[/tex] = 289.229+ 2335.32* (6.8235 - 6.727 )/6.8235 = 322.26 kJ/kg

Therefore, h₂ = h₁ - (h₁ - h₂[tex]_s[/tex])*0.9

h₂ = 3399  - (3399  - 322.26 )*0.9 = 629.934 kJ/kg

The power output = [tex]\dot m[/tex](h₁ - h₂) = 3 *(3399 - 629.934) = 8307.2 kJ/s =

8.3 MW.

what is your favorite generation of the mustang?

Answers

Answer:

6TH AKA THE 2015-PRESENT

Explanation:

Answer:

I like them all except '74ish all the way up to '93.

Which element refers to musically depicting the emotion in the words of a musical piece?
A intellectual movement of humanism
B. word painting
C. balancing the usage of rhythm and tone color
D. combining lyrics and rhythm in a motet

Answers

Answer:

The correct option is;

B. Word painting

Explanation:

Word painting is the musical art of composition of music literally describing by reflection the action of the lyrics of the music. Word painting is also referred to as text painting or tone painting. Word painting is a technique commonly used in Renaissance music such as madrigals and the technique of word painting can also be found in church music such as in Hendel's Messiah

An example of word painting is where ascending set of musical notes will be paired with lyrics about increasing.

Answer: B. Word painting

Explanation:

__is a mechanical force generated by a solid object moving through a fluid.

Answers

Answer:

Drag

Explanation:

What is version control?

Answers

Answer:

version control are a category of software tool that help a software team manage changes to source code over time.

The application of technology results in human-made things called

Answers

Answer:

Internet of things

Explanation:

This is a good example where the application of technology results are applied to human made things.

Internet of things (IOT), involves the application of one technology results–the internet, embedded into devices such as refrigerator, television etc so as to send and receive data (digital instructions). Such applications of technology results has revolutionized the way we use "human made things".

Two technicians are discussing solder wire repair. Technician A says that electrical tape can be used to cover the joint. Technician B says that heat shrink tubing can be used to cover the joint. Who is correct?

Answers

Answer:

8282777727e7e87e7e8e88282883

Which of the following is the last step in creating a budget?
A. Identify income
B. Identify variable expenses
C. Identify fixed expenses
D. Determine savings or debt

Answers

Answer:

D. Determine saving or debt

Explanation:

If you think a hazard is serious, what is the best way to ensure that OSHA will
conduct a site inspection?
Help

Answers

Answer:

The best way to ensure that OSHA will conduct a site inspection is by the submission a signed (by a current employee or employee representative) Formal Written complaints following OSHA guidelines (which can be found in the  Council of Safety and Health (COSH) website) which will enable the commencement of process for an on site inspection

As such it is advisable to go through the following procedure before, filing a complaint

1) Talk to your workers union about the hazard

2) If you do not belong to a union, talk to your co-workers

3) Inform your employer who has responsibility for on the job safety

4) Speak or have a meeting with OSHA so as to receive guidance before filing a complaint

Explanation:

If you think a hazard is serious, the best way to ensure that OSHA will conduct a site inspection is to file a complaint.

Hazard simply means a potential source of harm. It should be noted that hazards can have detrimental effect on the health of an individual.

If you think a hazard is serious, the best way to ensure that OSHA will conduct a site inspection is to file a complaint asking OSHA to inspect the workplace. In a situation whereby OSHA finds a serious hazard, it'll be kept confidential.

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The ramp in the railway station has rough surface .why?

Answers

Answer:

To increase the friction so we do not slip while walking.

Explanation:

If the surface is smooth then the frictional force between the ramp and the feet becomes less and the chances of slipping are greater.

The ramp on a railway station has a rough surface to increase friction so that we do not slip while walking on it. If the surface is smooth, then the frictional force between the ramp and the feet becomes less and the chances of slipping are greater.

Question 6: Which of the following is NOT true if you are changing into a
turning lane?
You should activate your signals 100 feet beforehand
You should activate your signals when you get into the turn lane
You should activate your signals before you get into the turn lane
You should use your hands to signal if your lights do not work

Answers

Answer:

You should activate your signals 100 feet before you turn, becuase of that you should not wait until you are turning to turn on your signals. If you do not have working lights use your hands. So the answer that is inccorect is B.

You should activate your signals when you get into the turn lane is NOT true

Because you are supposed to single beforhand not while you're in the lane.

Im taking my drivers ed too. :)

a steal bar with 1 in diameter has been subjected to a tensile force of 3 tons find tensile stress in the bar

Answers

Answer:

stress = 8,556 Psi.   or  (stress = 59 Mpa)

Explanation:

stress = force / area

force P = 3 tons (convert to lbs. for units consistency)

1 ton = 2240 lbs.

P = 6,720 lbs.

steel bar Diameter D = 1 in. (convert to d

Area of steel bar = (π *  1²) / 4 = 0.785 in²

therefore, stress = 6720 lbs. / 0.785 in²

stress = 8,556 Psi.

in Mpa ----- 8556 Psi * 0.00689476 MPa/Psi = 59 Mpa

Tech A says never disconnect sensors before conducting resistance checks. Tech B says automotive test lamps should not be used on digital circuits because they draw too much current and can overload the circuit. Who is correct?

Answers

Answer:

12345263636636363663636e6ee66e6e6e63777e

When you arrive at an intersection with a stop sign in your direction, if there is no marked stop
line, you must
A: Stop within 10 feet of the intersecting roadway, on top of the pedestrian crosswalk if there is one.
B: Wait for pedestrians in the crosswalk to cross, then stop on the pedestrian crosswalk.
C: Stop before entering the pedestrian crosswalk.

Answers

Answer:

The answer is B. Wait for the pedestrians in the crosswalk to cross, then stop on the pedestrian crosswalk.

Based on the concept of road usage, and the available options, when you arrive at an intersection with a stop sign in your direction, if there is no marked stop line, you must Stop before entering the pedestrian crosswalk.

What is Pedestrian Crosswalk?

Pedestrian Crosswalk is a term that is used to describe a place designated for pedestrians to cross a road, street, or avenue.

Generally, the term "pedestrian crosswalk" is also used in the Vienna and Geneva Conventions, both of which pertain to road signs and road traffic.

In this case, it is expected that when you arrive at an intersection with a stop sign in your direction, if there is no marked stop line, you must stop at the edge of the intersection just before entering the crosswalk or intersection.

It's important to come to a complete stop to ensure that it is safe to proceed before proceeding through the intersection. Be careful and aware of your surroundings to ensure a safe and steady flow of traffic.

Hence, in this case, it is concluded that the correct answer is option C. Stop before entering the pedestrian crosswalk.

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You are driving a vehicle that has an automatic transmission. When you park on a hill, you
should
A: Set the parking brake first, before you shift the transmission into Park.
B: Shift the transmission into Park, and leave the parking brake off.
C: Set the parking brake, and shift the transmission into Neutral.

Answers

Answer:

The answer is A. Set the parking brake first, before you shift the transmission into Park.

An automatic gearbox is a multi-speed transmission system. The correct option is A.

What is the automatic transmission?

An automatic gearbox is a multi-speed transmission system that is used in internal combustion engine-powered motor vehicles that do not require any driver input to change forward gears. Thus, making the process of shifting gears automated.

The correct way to park an automatic transmission vehicle is to set the parking brake first before you shift the transmission into Park. Therefore, the correct option is A.

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how many types of engineering specialist are there?

Answers

There are now six major branches of engineering: Mechanical, Chemical, Civil, Electrical, Management, and Geotechnical, and literally hundreds of different subcategories of engineering under each branch.

There are about 40 types of engineering specialists

Which type of engineering design uses an already existing design?
A. top-down design
B. spiral design
C. bottom-up design
D.
incremental design​

Answers

Answer:

The correct option is;

C. Bottom-up design

Explanation:

The bottom-up design is meant for system redesign or re-engineering of an existing design involving component upgrading or legacy systems replacement

The bottom-up design approach is also meant for applications where there is a new interface requirement for the original system in order to determine the functionality of the newly combined systems and also where a novel component is incorporated into the existing design.

The bottom-up approach starts with the analysis of the interoperability of the components to the modules and eventually the analysis of the system requirements.

A large piece of ground is developed with lights, streets, and sewers. The subdivider wants to get it ready for building. He does an environmental impact statement and makes a large map which shows where each lot and block is located. Streets, parks, and utility easement are also shown. This is visual representation is called:

Answers

Answer:

Subdivision plat map

Explanation:

A subdivision plat map is a map plan of a given scale having the planned lot subdivisions and amenities. Subdivision plat map also show easement boundaries, access routes, streets and alleyways present in or adjacent to the tract of land that is being subdivided into lots

The process of subdivision of a tract land of land requires the approval the counties and the cities in which the land is located.

You should continuously work to enhance your skills and knowledge .

Answers

Answer:

Improve Your Writing

You may need to improve your ability to express yourself in writing.

To some degree, most organisations rely on the accurate transfer of information and that calls for the accurate use of language. When speaking, most people make multiple errors of grammar and vocabulary, and nobody seems to mind. But when you are doing business at work, then the business agreement is usually in the form of a written document; and that document has to be worded properly.

How would you rate your ability to express yourself properly in writing? Are you a good writer or do you lack knowledge of grammar, punctuation, logic and rhetoric?

If you are not as good at writing as you need to be, then study grammar, study punctuation, logic and rhetoric.

Start by buying a copy of a book called 'Rex Barks' by Phyllis Davenport.

This book is the gateway to grammar - and Phyllis is phenomenal.

Explanation:

2. What is the charge, expressed in micro coulombs on two equally and similarly charges spheres placed in air with their centres 30 cm apart repelling each other with a force of 120 mgm.

Answers

Answer:

q = 0.1086 micro Coulombs

Explanation:

By Coulombs law, we have;

[tex]F =k \times \dfrac{ q_1 \times q_2}{r^2}[/tex]

Where;

F = The electric force = 120 mgm

q₁ and q₂ = Charge

r = The separating distance = 30 cm = 0.3 m

k = 8.9876×10⁹ kg·m³/(s²·C²)

Where, q₁ and q₂, we have;

[tex]F =k \times \dfrac{ q^2}{r^2}[/tex]

Whereby the force is the force of 120 milligram mass, we have;

0.00012 × 9.81 = 000011772 N

[tex]q = \sqrt{ \dfrac{ F\times r^2}{k}}[/tex]

Substituting the values, we have;

[tex]q = \sqrt{ \dfrac{ 000011772 \times (0.3)^2}{8.9876 \times 10^9}} = 1.086 \times 10 ^{-7} \ Coulombs[/tex]

q = 0.1086 micro Coulombs.

Engineers are looking for a new material to build the body of an airplane. They agree that the material must be lightweight, but also strong and long-lasting. Above all, the material must maximize the safety of the passengers. Several engineers have developed some initial plans. Which stage of technological design is described in this passage

Answers

Answer:

Design a solution

Explanation:

In the design a solution stage, solutions and ideas to solve the problem or design of the product are generated and details of the problem solution or product design are developed

The generated ideas and details are put together to get a workable solution

Stages of technological design, includes

1) Problem identification

2) Design a solution or designing of a product

3) Design Implementation

4) Solution or product evaluation

4. Two technicians are discussing the evaporative emission monitor. Technician A says that serious monitor faults cause a blinking malfunction indicator lamp
(MIL) or even an engine shutdown. Technician B says that the engine computer will run the EVAP monitor when fuel level is within 15 to 25 percent and the TP
sensor position is between 9 and 10 percent. Who is correct?
O A. Neither Technician A nor B
O B. Both Technicians A and BN
O C. Technician A
OD. Technician B

Answers

Answer:

The correct option is;

Neither Technician A nor B

Explanation:

The evaporative emission monitor or Evaporaive Emission Control System EVAP System monitors enables the Power Control Module of the car to check fuel system leak integrity and the vapor consumption efficiency during engine combustion

It is a requirement of EPA on cars to check the emission of smug forming evaporates from cars

Serious monitor faults can cause the turning on of the check engine lights and the vehicle will not pass OBD II test, but it will not lead to engine shutdown

It runs when the engine is 15 to 85% full and the TP sensor is between 9% and 35%.

Therefore, the correct option is that neither Technician A nor B are correct.

Which resource can tell you what types of insulation you can use in a given installation? a. NESC b. NFPA c. NIOSH d. NEC

Answers

Answer:

D. NESC

Explanation:

first of all what's the meaning of NESC:

NESC: National Electrical Safety Code

The National Electrical Safety Code is a United States standard of the safe operation, maintenance, and installation of communication ,

utility system and electric power.

Which includes the following.

1.) power and communication underground lines

2.)power and communication overhead lines,

3.) Power substations

NESC are the ones to tell us the type of installation to use for a particular operation and particular location.

For both safety purposes and to reduce life hazard and community hazard due to elect item.

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PLEASE HELP !! (4/5) -50 POINTS- Which statement correctly compares the "Analysis" and "Conclusion" sections of a lab report? inscribed angles. I need answers asap, thank you! evaluate 15.2% of a 726 + 12.8% of 673 Referring to the image of The Evening World, what level of importance can you assign to the story of the New Haven wreck? A circuit contains a single 220 pF capacitor hooked across a battery. It is desired to store three times as much energy in a combination of two capacitors by adding a single capacitor to this one. How would you hook it up? The capacitor is connected in series to the original capacitor or The capacitor is connected in parallel to the original capacitor I believe its parallel but now What would its value be? A system of four particles moves along a dimension. The center of mass is at rest, and the particles do not interact with any objects outside of the system. Find the velocity of v4 at t=2.83 seconds given the details for the motion of particles 1,2,3 Why are cells important to an organisms survival 2.How are each of the following groups likely to feel about the reintroduction of wolves in Yellowstone National Park? (write 2-3 sentences for each)a.Tourists who visit the parkb.Environmentalists (people who want to protect the nature of Yellowstone)c.People who live near the park What is the value of i 20+1?1- .- Select the correct answer from the drop-down menu. There are two numbers. One number is twice the other number. The difference of the smaller number and half the larger number is 20. An equation created to find the smaller number will have . An appraiser must not allow the intended use of an assignment or a clients objectives to cause the assignment results to be _________. A tenant still has five months remaining on a one-year apartment lease. When the tenant moves to another city, the tenant transfers possession of the apartment to a friend for the entire remaining term of the lease. The friend pays rent directly to the tenant. In this situation, the tenant has become Look into the history of tea or coffee plantations in India. See how the life of workers in these plantations was similar or different from that of Indigo workers in Indigo plantations. Find the value of x. The pH of a solution decreases by 2.0. How does the hydronium ion concentration of the solution change? Increases to 2 times the original concentration increases to 100 times the original concentration decreases to one one hundredth. Of the original concentration decreases to one half. Of the original concentration Ben and Jerry were shareholders of Water Ice Inc., an S corp. On Jan. 1, 1998, Ben owned 40 shares and Jerry owned 60 shares. Ben sold his shares to Joe for $10,000 on March 31, 1998. The corp. reported a $50,000 loss at the end of 1998.How much of the loss is allocated to Joe?A. $20,000B. $15,060C. $12,500D. $10,000 On January 1, Garcia Supply leased a truck for a three-year period, at which time possession of the truck will revert back to the lessor. Annual lease payments are $12,000 due on December 31 of each year, calculated by the lessor using a 4% discount rate. Negotiations led to Garcia guaranteeing a $31,600 residual value at the end of the lease term. Garcia estimates that the residual value after four years will be $30,200. What is the amount to be added to the right-of-use asset and lease liability under the residual value guarantee? Seth and Tim are in class and are asked to explain how to solve the problem of getting from one house to another that is across town when they only have 15 minutes to get there. Seth and Tim think about it and discuss the streets in town and the traffic situation at various times throughout the day. They come up with an answer without actually having to drive both distances to see which one is faster. If a 100-pound block of ice is placed on an inclined plane that makes an angle of 35 with the horizontal, how much friction force will be required to keep it from sliding down the plane? Choose the equation that could be used to solve the problem if x represents the force required to keep the block from sliding down the plane.