How much work, in Newtons, is required to lift a 20.4-kg (45lb) plate from the ground to a stand that is 1.50 meters up?

ASAP PLS

Answers

Answer 1

Answer:

Explanation:

Work, U, is equal to the force times the distance:

U = F · r

Force needed to lift the weight, is equal to the weight: F = W = m · g

so:

U = m · g · r

   = 20.4kg · 9.81 [tex]\frac{N}{kg}[/tex] · 1.50m

   = 35.316 [tex]\frac{N}{m}[/tex]

   = 35.316 W


Related Questions

You work for REV, Incorporated, and check your work email on your mobile phone. According to these documents, if you cannot find your phone, what should you do first?

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Answer:

In  case whereby you  work for rev and check your work email on your mobile phone and You have decided to resign your job and take a position with a different company. Regarding rdm on your mobile phone, you should B. Take your phone to IT Services, and they will wipe it clean.

What is expected to do when leaving the company?

It is expected from you to return anything that belong to the company before leaving the company, but in the case whereby there is still a rdm on your mobile phone, then you can work to the IT services so they can wipe it away.

Find out more on IT Services

at brainly.com/question/21210308

#SPJ1

Missing options:

A. Turn your phone to IT Services

B. Take your phone to IT Services, and they will wipe it clean

C. Download RDM to your personal computer

D. Call IT Services for support, and they will assist

E. Nothing. IT Services will automatically remove all data

1 . How are encoders used in the measurement of speed? Explain the encoder with a neat diagram.​

Answers

The most common use for encoders is to measure angular or linear distance, but encoders can also be used to perform speed or velocity measurements. In other words, as the encoder rotates faster, the pulse frequency increases at the same rate

ai lm dc bài tập môn cơ học vật liệu ko ạ

Answers

Answer:

What's that

Explanation:

Please brainlest me

Explain mathematically whether the divergence of the curl of a vector field is
solenoidal or not?

Answers

Answer:

yes

Explanation:

what is the relationship between the voltages of the output and adjust pins of LM1117 when in normal operation

Answers

Based on the engineering analysis, the relationship between the voltages of the output and adjust pins of LM1117 when in normal operation is "the LM1117 adjustable version establishes a 1.25V reference voltage, (VREF) between the output and the adjust terminal."

The LM1117 generally has a 1.2V at 800mA of load current.

The LM1117 is known to be a progression of low dropout linear voltage regulators. It is adjustable and be assigned between the output voltage of 1.25 to 13.8 V using just two external resistors.

Hence, in this case, it is concluded that the correct answer is "the LM1117 adjustable version establishes a 1.25V reference voltage, (VREF), between the output and the adjust terminal.

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Hierarchy of hazard control

Answers

Answer:

A system for controlling risk in the workspace.

What is one of the reasons to consider implementing a blockchain solution?

Answers

Blockchain is often used often in the verification and locating of multistep transactions. One of the reasons to consider implementing a blockchain solution is the ability to work on different versions of the same data.

Blockchain solution is known to keep transactions safe, limit compliance costs, and speed up data transfer processing. It is known to back up the accuracy of the data.

In Blockchain, all node can see all transactions that are taking place in the system and all will get a copy of each of them to update its data and approve it.

See full question below

What is one of the reasons to consider implementing a blockchain solution?

Options:

1.inability to track simultaneous updates by multiple users

2. ability to work on different versions of the same data

3.ability to verify that data has not been tampered with since its creation

4.inability to trace and access data of other users

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Describe three differences between liquids and gases in fluid power systems.

Answers

Answer:

Liquids have less force of attraction between molecules than solids and more than gases; gases have a very weak force of attraction between the molecules which is the least amongst the three states of matter.

Explanation:

Should you recommend changing fluids based on the color or smell of the fluid?
Only if the color is brown and the fluid smells burned
Yes, always.
No. Stick with the manufacturer's recommendations.
Only if the fluid is red and smells sweet

Answers

Answer:

hi

Explanation:

Should you recommend changing fluids based on the color or smell of the fluid?

Only if the color is brown and the fluid smells burned

Yes, always.

No. Stick with the manufacturer's recommendations.

Only if the fluid is red and smells sweet

a storage tank contains liquid with a density of 0.0361 lbs per cubic inch. the height of liquid in the tank is 168 feet. what is the pressure of the liquid at the bottom of the tank give your answer in psi

Answers

Answer:

Objects that float on water have densities less than the density of water; those that do not float on water have densisties greater than the density of water:

Float on water:  d < 0.0361 lb/in³ (where d denotes denisity)

Do not float on water:  d > 0.0361 lb/in³

Explanation:

I don't know if this works for it or not?

why the power factor is Low in no load test in induction motor ?​

Answers

The reason for low power factor in no load test in induction motor is high rotor reactance at lower loading since the rotor reactance value gets decreased with increased loading on induction motor

Usually at no load, the Cosine of the phase angle between the stator current(I1) and the stator applied voltage(V1) is the power factor of an induction motor.

In conclusion, the reason for low power factor in no load test in induction motor is high rotor reactance at lower loading since the rotor reactance value gets decreased with increased loading on induction motor

Read more about induction motor

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locate the centroid of the shaded area between the two curves​

Answers

9514 1404 393

Answer:

  (x, y) = (5.76, 1 5/7)

Explanation:

The location of the centroid in the x-direction is the ratio of the first moment of area about the y-axis to the total area. Similarly, the y-coordinate of the centroid is the first moment of area about the x-axis, divided by the area.

For the moment about the y-axis, we can define a differential of area as ...

  dA = (y2 -y1)dx

where y2 = √(x/k2) and y1 = k1·x^3

The distance of that area from the y-axis is simply x.

So, the x-coordinate of the centroid is ...

  [tex]\displaystyle c_x=\frac{a_x}{a}=\frac{\int{x\cdot dA}}{\int{dA}}\\\\a_x=\int_0^{12}{x(k_2^{-1/2}\cdot x^{1/2}-k_1x^3)}\,dx=\frac{2}{5k_2^{1/2}}\cdot12^{5/2}-\frac{k_1}{5}12^5\\\\a=\int_0^{12}{(k_2^{-1/2}\cdot x^{1/2}-k_1x^3)}\,dx=\frac{2}{3k_2^{1/2}}\cdot12^{3/2}-\frac{k_1}{4}12^4\\[/tex]

For k1 = 4/12^3 and k2=12/4^2, these evaluate to ...

  [tex]a_x=115.2\\a=20\\c_x=5.76[/tex]

The y-coordinate of the centroid requires we find the distance of the differential of area from the x-axis. We can use (y2 +y1)/2 for that purpose. Then the y-coordinate is ...

  [tex]\displaystyle c_y=\frac{a_y}{a}\\\\a_y=\int_0^{12}{(\frac{y_2+y_1}{2}(y_2-y_1))}\,dx=\frac{1}{2}\int_0^{12}{(\frac{x}{k_2}-(k_1x^3)^2)}\,dx\\\\a_y=\frac{12^2}{4k_2}-\frac{k_1^212^7}{14}=\frac{240}{7}\\\\c_y=\frac{12}{7}\approx1.7143[/tex]

The centroid of the shaded area is ...

  (x, y) = (5.76, 1 5/7)

Consider a 25-mm-diameter and 15-m-long smooth tube that is maintained at a constant surface temperature. Fluids enter the tube at 50°C with a mass flow rate of 0.01 kg/s. Determine the tube surface temperatures necessary to heat water, engine oil, and liquid mercury to the desired outlet temperature of 150°C

Answers

Answer: ⚠this is not my answer it from hamzaahmeds

Water: h = 35.53 W/m².k

Engine oil: h = 18.84 W/m².k

Mercury: h = 1.19 W/m².k

Explanation:

Assuming the steady state, one-dimensional heat flow, it is clear that the added to the fluid by tube heat will be equal to the heat transfer through convection outside the tube.

Therefore,

mCΔT = hAΔT

mC = hA

h = mC/A

where,

h = convection coefficient

m = mass flow rate =  0.01 kg/s

C = specific heat capacity of fluid

A = surface area of tube = 2πrL = 2π(0.0125 m)(15 m) = 1.178 m²

FOR WATER:

C = 4186 J/Kg.k

Therefore,

h = (0.01 kg/s)(4186 J/Kg.k)/(1.178 m²)

h = 35.53 W/m².k

FOR ENGINE OIL:

C = 2220 J/Kg.k

Therefore,

h = (0.01 kg/s)(2220 J/Kg.k)/(1.178 m²)

h = 18.84 W/m².k

FOR LIQUID MERCURY:

C = 140 J/Kg.k

Therefore,

h = (0.01 kg/s)(140 J/Kg.k)/(1.178 m²)

h = 1.19 W/m².k

The first three terms of a geometric series are 15,7.5 and 3.75. find the representation of the n th term of tge sequence

Answers

Answer:

30 1/2

Explanation:

Tech A says that the stoichiometric ratio is 14.7 gallons of air to 1 gallon of fuel. Tech B says it is 14.7 lb of air to 1 lb of fuel. Who is correct

Answers

The person that is correct as regards statement made about stoichiometric ratio is; Tech B

In air-fuel mixture, when there is a mix air and fuel in the ideal amounts to make an engine to run efficiently,the ideal ratio of air to fuel is known Stoichiometric ratio.

This stoichiometric ratio is the comparison between the weight of the air relative to the weight of the fuel that it has been mixed with.

Now, weight is in lb and as such, tech B is correct because his ratio is 14.7lb to 1 lb.

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Answer:

Tech B

Explanation:

I took the test and got it right

Dilute countercurrent immiscible extraction
A feed of 100.0 kg/min of a 1.2 wt % mixture of acetic acid in water is to be extracted with 1-butanol at 1 atm pressure and 26.7°C, we desire an outlet concentration of 0.1 wt % acetic acid in the exiting water. We have available solvent stream 1 that is 44.0 kg/min of pure 1-butanol and solvent stream 2 that is 30.0 kg/min of 1-butanol that contains 0.4 wt % acetic acid. Devise a scheme to do this separation, find the outlet flow rate and concentration of the exiting 1-butanol phase, and find the number of equilibrium contacts needed.
In Example we assumed that we were going to use all of the solvent available. There are other alternatives. Determine if the following alternatives are capable of producing outlet water of the desired acetic acid concentration.
a. Use only the pure solvent at the bottom of the extractor.
b. Mix all of the pure and all of the impure solvent together and use them at the bottom of the column.
c. Mix all of the pure and part of the impure solvent together and use them at the bottom of the column.

Answers

Sorry I don’t know the answer I just need to answer some questions before I am allowed to get my work done

when the electrical connection to the alternator from the battery is not tight, it can cause?

Answers

Answer:

affects the flow of electricity

Explanation:

A loose battery terminal affects the flow of electricity. There is less power going to the electrical systems and the vehicle will not start or start sluggishly. Also, a loose battery terminal causes the car's electrical components like navigation, car lights, and audio among others to dim or fail completely.

In a shear cutting process, a sheet of soft cold-rolled steel has a thickness of 2 mm and a width of 1 m. The yield strength and the tensile strength is 175 MPa and 300 MPa, respectively. The clearance allowance value for the steel is 0.06. Determine the cutting force in N

Answers

Sorry I don’t know the answer I just need to answer some questions before I can get my own work done

If the water surface elevation in reservoir B is 110 m, what must be the water surface elevation in reservoir A if a flow of 0.03 m3 /s is to occur in the cast iron pipe

Answers

The water surface elevation must be 110.2631 meters for a flow of 0.03m³ to occur in the cast pipe

For cast iron the chart has 0.0012  from Moody's chart

0.016 for cast iron

[tex]hf = \frac{flQ^{2}}{12.1d5}[/tex]

[tex]h1 = h2+\frac{Q^{2} }{12.1} [\frac{0.0012*100}{(12/1000)^5} +\frac{0.0016*150}{(15/100)^5} ][/tex]

[tex]h1 = 110m+\frac{0.03^2}{12.1} [\f\frac{0.12}{0.00032} +\frac{0.24}{0.000759} ]\\\\h1 = 110+0.0000744[375+3162.06]\\\\= 110 + 0.2631m\\\\= 110.2631m[/tex]

Therefore the water surface elevation must be 110.2631 meters for a flow of 0.03m³ to occur in the cast pipe

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-. Which format is correct for entering dimensions in an architectural drawing?
a
50 12"
b. 4'212"
C.
4' 2.5"
d.
50.5"

Answers

Answer:

d.

50.5" is the answer for this question

I want to know if anyone else know how to tell apart real leather from fake leather?!?!

Answers

Answer:

yes i do.

Explanation:

it's pretty easy in my opinion but i dont know about you why do you ask?

Beyond providing a visual representation of an object for the creator, what are the advantages of using CAD software to create 3D digital models of engineering prototypes (compared to physical drawings)? Identify at least two advantages.

Answers

Answer:

fasdfsd

Explanation:

fsasdf

An Infrastructure as a Service (IaaS) provider shares its computing resources between a number of different clients, each of whom has a separate dedicated instance to host their own operating systems and applications.

Which Cloud computing concept is illustrated here?

Answers

Answer:

Elasticity

Explanation:

Cloud computing comprises of three (3) service models and these are;

1. Platform as a Service (PaaS).

2. Software as a Service (SaaS).

3. Infrastructure as a Service (IaaS).

How to calculate total photon flux incident on the photodiode

Answers

Answer:

Use this PDF file it should help you calculate total photon flux incident on the photodiode.

Explanation:

It's a file on lecture notes that help people learn about engineering and maybe in the lecture notes it might have information about how to calculate total photon flux incident on the photodiode

Determine the initial void ratio, the relative density and the unit weight (in pounds per cubic foot) of the specimens for each sand.

Answers

The initial void ratio is the parameter which is used to show the structural foundations for each specimen of sand so that the method and speed of compression would be measured.

Relative density is the mass per unit volume of each specimen of sand which is measured and it has to do with the relative ratio of the density of the sand.

Unit weight is the the exact weight per cubic foot of the sand which is measured.

Please note that your question is incomplete so I gave you a general overview to help you better understand the concept

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Can I have free money? I want to get a new pc

Answers

Answer:

NO!

Explanation:

A length of pipe will weigh the most when

Answers

Answer:

Mark me please as brainliest

Explanation:

A length of pipe will weigh the most when O A. part dimensions are such that the pipe is in the MMC. O B. the OD and ID are at the minimum allowable limit. OC. the OD and ID are at the maximum allowable limit. OD.part dimensions are such that the pipe is in the LMC

Answer:

Part dimensions are such that the pipe is in the MMC.

Explanation:

effects of salinity water on alfalfa

Answers

It creates osmotic stress

Let be the step response of the LTI system of impulse response (meaning the output of this system when its input is the unit step sequence). What is the limit of when goes to

Answers

Dude I rlly don’t know i not in college

why people act like that

Answers

Answer:

i dob't know

Explanation:

People act like they care.

So, I act like I believe them.
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The executive branch, headed by the (fill in blank)includes numerous executive departments that carry out or enforce laws passed by (fill in blank). 12>x>-7 is the dots on a number line open or closed Stephanie was recently hired by a new company as one of her benefit she can join as a member of the company depository institution that explain to Stephanie nonprofit member One institution that provides loans through deposits to checking and savings account what type of institution are they describing to Stephanief Answer the following questions.A 1) Decide which of the following sentences is properly punctuated.Art history is the study of the development of artistic creations.Art history, is the study of the development of artistic creations.O O O Art history is the Study of the development of artistic creations.Art History is the study of the development of artistic creationsArt History, is the study of the development of artistic creations. A piano teacher gives lessons that are each Three-fourths hour long. How many piano lessons can the teacher fit into a 12-hour work day? Assume no breaks are taken in the 12 hour period.691116 button. Tests are automatically saved in case of internet disruption.Language: English Espaol6)A student observes a cell under a microscope. The cell contains chromosomes that show up inside of a nucleus surrounded by anenvelope. Based on the infon nation here, the student was able to determine whether the cell was prokaryotic or eukaryotic. Aftermaking the distinction, the student could assume the cell came from certain cell types. From which potential organism(s) was thiscell-derived? Select ALL that apply.A)plant cellB)animal cellfungal cellD)bacterial cellE)methanogenic Archaea cell2 Ovaries in females and testes in males are both called gonads. True False an expression of Avogradros law a charter application usually must be signed by the prospective stockholders called incorporaters or . then, it is filed with the appropriate state official. Which circle has a radius that measures 10 units?10D20F10OG20 Fireman Bob leans a 40 foot ladder against a building at an angle of elevation of 70'. How far is the base of the ladder from the building (round youranswer to the nearest thousandth)?Distance from base of the building Find the perimeter. Simplify your answer. 1A pencil weighing 1N is sitting on a desk.Write down all the forces on the desk.a.b.Draw a free body diagram of the desk.c.Add up the forces in the x-direction (horizontal) and the y-direction (vertical) 42 out of 56 students have cell phone. What percent of students said they owned a cell phone People who couldn't get tickets broke through the VIP entrance of a music festival concert in Houston, Texas on November 5, causing a huge stampede.Eight people, aged between 14 and 27, were killed and more than 300 injured, with the youngest just 10 years old... According to the Associated Press, it was the deadliest stampede and concert safety accident in the U.S. since 2003. Whoever answers first gets brainliest, 5 stars, and a thanks! Pls help asap! what is the best guess the weight of the cube if the length in 9 inches ? What is the percent by mass of water in the hydrate Which of the following statements describes a positive correlation?The more I study the lower my test scoresThe greater the cost, the better the merchandiseWalnut is more dense than pinenone of the other alternatives are correct Who can declare war?IIIIIIIIIIIIIA. PresidentB. Vice PresidentC. The PeopleD. CongresS