Answer:
[tex]-8.34\times 10^{11}\ \text{J}[/tex]
Explanation:
m = Mass of satellite = 15000 kg
h = Distance above Earth = 800 km
R = Radius of Earth = 6371 km
M = Mass of Earth = [tex]5.972\times 10^{24}\ \text{kg}[/tex]
G = Gravitational constant = [tex]6.674\times 10^{-11}\ \text{Nm}^2/\text{kg}^2[/tex]
Potential energy is given by
[tex]U=-\dfrac{GMm}{R+h}\\\Rightarrow U=-\dfrac{6.674\times 10^{-11}\times 5.972\times 10^{24}\times 15000}{(6371+800)\times 10^3}\\\Rightarrow U=-8.34\times 10^{11}\ \text{J}[/tex]
The potential energy of the satellite is [tex]-8.34\times 10^{11}\ \text{J}[/tex].
PLEASE HELP!! I WILL GIVE BRAINLIST
Your challenge is to develop a new wristwatch that fits the average 11-19-year old person, looks good, and is easy to understand. The number one goal of this product is to help young adults with visual impairment feel more independent.
Watch Description:
The watch is similar to an Apple Watch. You can touch the top of the watch and it will either read out the time, or make vibrations (one for every hour then a pause, then one for every minute) depending on what you prefer in the settings. To change the settings, you can click a button that will be on the right side of the watch. For young adults who have the ability to see but are mildly impaired, the time will be displayed on the screen of the watch. The wristband on the watch is adjustable, so anyone can wear this watch. The watch can connect to your phone through the Bluetooth settings and when connected, will have similar abilities to those of Siri on iOS devices. You can ask questions such as time, date, plans you have made, etc., you can also send texts with the watch as well as call emergency services.
The interactions amongst humans and their movements around the world is an example of:
Natural environment
Human made environment
What challenges do you still have to produce a set of working drawings
Answer:
well
Explanation:
you have to title your work and make sure it's dated as well
The construction of your home depends on working drawings. These are a collection of blueprints that contain all the structural specifications and information needed to obtain a construction permit and build your house.
What is Working drawings?When creating a set of working drawings, we make an effort to demonstrate the "Minimum Optimal" set of plans. Several architectural firms offer 30 pages of drawings when truly only 10 are necessary.
You'll save money and confusion by limiting this to the absolute necessities.
Your working drawings should feature everything you require to construct the home and nothing you do not.
Therefore, The construction of your home depends on working drawings. These are a collection of blueprints that contain all the structural specifications and information needed to obtain a construction permit and build your house.
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Determine the maximum thickness of an aluminium sheet in which a 50 mm diameter hole is to be punched, if the compressive stress in the punch is not to exceed 80 MPa.
Answer:
Area of punch = π * (diameter/2)^2
= π * (50/2)^2
= π * 25^2
= 1962.5 mm^2
The maximum compressive stress that the punch can withstand is 80 MPa. The thickness of the aluminium sheet can then be calculated using the following equation:
Stress = Force / Area
= (Force/Area) * (Thickness/Thickness)
= (80 MPa) * (Thickness/1962.5 mm^2)
Solving for thickness, we get:
Thickness = (80 MPa * 1962.5 mm^2) / 1
= 15700 mm
= 15.7 meters
Therefore, the maximum thickness of the aluminium sheet in which a 50 mm diameter hole can be punched without exceeding a compressive stress of 80 MPa is approximately 15.7 meters.
Which of the following new features is an adaptive reuse structure most likely to need?
O transportation connectivity
O sewer hookup
Oshell ad core
fit out
Repurposing structures that have served their intended purpose no longer is considered adaptive reuse. Its main objectives are to transform urban blight and preserve architectural and cultural heritage.
An illustration of adaptive reuseAdaptive reuse involves using an existing structure for a function other than what it was designed for. As examples, consider converting an old movie theater into a recreation area, a big-box retailer into a call center, or even old railroad tracks into a park and walking path.
What value can adaptive reuse provide?Adaptive reuse initiatives are less disruptive to schedules, involve less mobilization, and take less time to complete. These assignments can frequently be finished over the course of a single semester, or even during the summer or winter breaks. This rapid building period reduces the loss of useful area.
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Of the core elements of successful safety and health programs, which ones directly relate to individuals' roles?
Select the 3 answer options that apply.
Hazard identification and assessment
Management Leadership
Worker Participation
Education and Training
Program evaluation and improvement
Communication and coordination
Answer:
education and training communications coordination hazard identification and assessment
Explanation:
as a condition of any employees
you are responsible for your safety and others
Write a method that starts with 2 strings. If one string is odd and the other string is even then it will place the odd string in the middle of the even string. But if both Strings are of odd length then it will concatenate the first letter of the first string with the LAST letter of the second string. And finally, if the strings are both of Even length then it will take the first half of the first string and concatenate it with the second half on the second string.
Here is an example of a Python function that implements the logic you described:
Copy code
def string_manipulation(string1, string2):
if len(string1) % 2 != 0 and len(string2) % 2 == 0:
return string2[:len(string2)//2] + string1 + string2[len(string2)//2:]
elif len(string1) % 2 == 0 and len(string2) % 2 != 0:
return string1[:len(string1)//2] + string2 + string1[len(string1)//2:]
elif len(string1) % 2 != 0 and len(string2) % 2 != 0:
return string1[0] + string2[-1]
else:
return string1[:len(string1)//2] + string2[len(string2)//2:]
You can call this function and pass in the two strings as arguments, like this:
Copy code
string1 = "hello"
string2 = "world"
result = string_manipulation(string1, string2)
print(result)
You can also modify the function to print some debugging statements to better understand how the code is executing, or add more test cases, if you want to further debug it.
Uday Tahlan
What is the objective of a network eavesdropping attack?
A.
to monitor traffic on the network as part of network administration
B.
to identify network vulnerabilities and fix them
C.
to identify the computers on which sensitive information resides
D.
to gain access to confidential information
The objective of a network eavesdropping attack is to gain access to confidential information (D).
Network eavesdropping, also known as "sniffing," is the practice of intercepting and monitoring data transmitted over a network. It is typically done with the intention of stealing sensitive information, such as passwords, login credentials, or other confidential data.
In a network eavesdropping attack, an attacker may use specialized software or hardware to capture and analyze data transmitted over the network. The attacker may be looking for specific types of data, such as financial information or intellectual property, or may simply be trying to gather as much information as possible.
Option A, monitoring traffic on the network as part of network administration, is not the primary objective of a network eavesdropping attack.
Option B, identifying network vulnerabilities and fixing them, is not an accurate description of network eavesdropping.
Option C, identifying the computers on which sensitive information resides, may be a secondary objective of a network eavesdropping attack, but it is not the primary objective.
Hope This Helps You!
In which region of the Western Hemisphere would the Encomienda system have been practiced?
Answer: primarily in Central America and South America
Explanation:
The Encomienda system was a labor system used by the Spanish colonizers in the Americas, primarily in Central America and South America. The system was implemented in the territories that were conquered by the Spanish in the 16th century, after the arrival of Christopher Columbus. The encomienda system was a way of exploiting the indigenous population by granting a Spanish colonizer the right to demand labor or tribute from a specific indigenous community, in exchange for supposed protection and religious instruction. It was widely used in the Spanish colonies in present-day Mexico, Central America, and South America. The Encomienda system was abolished in the late 18th century, but it had a significant impact on the indigenous population, leading to their exploitation, enslavement and forced labor.
Which type of large-sized asbestos operations, over 25 linear feet or 10 square feet in size, require a regulated area, an equipment room, a shower area, and a clean changing room? A. Class I B. Class II C. Class III D. Class IV
The type of large-sized asbestos operations, over 25 linear feet or 10 square feet in size, that require a regulated area, an equipment room, a shower area, and a clean changing room is option C. Class III
What is the asbestos operations about?Class I operations, which involve the removal of thermal system insulation or surfacing ACM, do not typically require a regulated area, an equipment room, a shower area, or a clean changing room. However, they may require certain protective measures to be taken, such as the use of respiratory protection and protective clothing.
Note that Class III asbestos operations, which involve the removal of asbestos-containing materials (ACM) from structures and equipment in a regulated area, require a regulated area, an equipment room, a shower area, and a clean changing room. Class III operations are defined as those that involve the removal of ACM that is over 25 linear feet or 10 square feet in size.
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1. True/False The Pressure Relief valve maintains the minimum pressure in the hydraulic circuit
What is an aerospace engineer?
which one is it
1.the branch of engineering dealing with the environment
2.the branch of engineering dealing with flight of aircraft and spacecraft
3.the branch of engineering dealing with under the ground
4.the branch of engineering dealing with under water
Answer:
B. The branch of engineering dealing with flight of aircraft and spacecraft
Explanation:
aerospace mean spaceship so aerospace engineering is a branch of engineering dealing with flight of aircraft and spacecraft
which work practice should be followed to best prevent the ingestion of chemicals?
A) Schedule tasks during peak exposure periods
B) Do not eat or drink in regulated areas
C) Use air and ventilations systems
D) Wear hearing protections
The work practice should be followed to best prevent the ingestion of chemicals is "Do not eat or drink in regulated areas".
Eating or drinking in regulated areas are unsafe as people may accidently take in chemicals through their mouth.
Furthermore, in order to avoid the ingestion of chemicals, people should wash their hands immediately they are done using chemicals.
Lastly, pipetting should not be carried out through the use of mouth.
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what safety device keeps a slotted nut from turning or coming off
ASE-Type Questions
1. Technician A says that when used on its edge, a
sanding stick can be used to block sand a high
crown. Technician B says that a soft pad conforms
to any contour. Who is right?
(A) A only.
(B) B only.
(C) Both A and B.
(D) Neither A nor B.
8
G
What are the four types of physical hazards?
Select the 4 answer options that apply.
Extreme Temperature
Radiation
Vibration
Noise
Pathogens
Corrosive substances
Answer:Physical hazards include ergonomic hazards, radiation, heat and cold stress, vibration hazards, and noise hazards. Engineering controls are often used to mitigate physical hazards.
Explanation:
_(what)_ cutting is a hand cutting technique that requires holding a torch at a slight
angle and keeping the torch in contact with the workpiece as a cut is made.
od to as
Drag cutting is the practice of cutting metal by dragging the plasma cutter's torch tip along the workpiece. The primary advantages of drag cutting are Because you don't need to keep a certain distance between the cutting tip.
What is a plasma cutter for drag cutting?Metal is shaped with drag tips during the plasma cutting process known as drag cutting. This technique offers greater control than others like stand-off cuts and is typically used for thin metals like sheets. Additionally, the procedure produces a burr- and irregularity-free edge that is smooth.
Which two types of plasma cutters are there?Conventional and Precision plasma systems make up the majority of plasma cutting systems. Typical shop air is used as the plasma gas in conventional plasma systems, and the torch's nozzle determines the form of the arc.
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1 - Observe the image of the squirrel siblings and record your observations.
2 - Write two new questions about the squirrel siblings.
Determine how much concrete you will need for a slab which is 50 feet by 30 feet wide and 1 foot thick
Follow the steps below to determine how much concrete you will need:
Step 1: Determine the area of the rectangle
= Length x Width
square feet
Answer:
Amount of concrete need to make slab = 1,500 feet³
Explanation:
Given:
Length of slab = 50 feet
Width of slab = 30 feet
Height of slab = 1 feet
Find:
Amount of concrete need to make slab
Computation;
Amount of concrete need to make slab = Volume of cuboid
Volume of cuboid = (l)(b)(h)
Amount of concrete need to make slab = (50)(30)(1)
Amount of concrete need to make slab = 1,500 feet³
How long does it take to get a master's degree in Mechanical engineering?
Answer:
it takes 2 years
Given 3 unique ints. Return true if the ints are equally apart. Basically, check to see if the distance between any 2 ints is equal to the distance between any other 2 ints.
Here's one way you could write a function in Python to solve this problem:
def are_ints_equally_apart(a, b, c):
ints = [a, b, c]
ints.sort()
return ints[1] - ints[0] == ints[2] - ints[1]
This function first puts the three integers in a list, sorts them in ascending order, and then checks to see if the difference between the middle integer and the first integer is equal to the difference between the last integer and the middle integer. If it is, then the integers are equally apart and the function returns True. If not, the function returns False.
Here's an example of how you could use the function:
print(are_ints_equally_apart(4, 2, 6)) # True
print(are_ints_equally_apart(4, 3, 6)) # False
What is the total energy of a 175,000 kg shuttle orbiting the Earth at 600 km above Earth’s surface? (Choose the closest answer)
A -2.46 x 1012
B -3.46 x 1012
C -8.46 x 1012
D -5.46 x 1012
Answer:
[tex]-5.00\times 10^{12}\ \text{J}[/tex]
Explanation:
m = Mass of satellite = 175000 kg
h = Distance above Earth = 600 km
R = Radius of Earth = 6371 km
M = Mass of Earth = [tex]5.972\times 10^{24}\ \text{kg}[/tex]
G = Gravitational constant = [tex]6.674\times 10^{-11}\ \text{Nm}^2/\text{kg}^2[/tex]
Total energy is given by
[tex]E=-\dfrac{GMm}{2(R+h)}\\\Rightarrow E=-\dfrac{6.674\times 10^{-11}\times 5.972\times 10^{24}\times 175000}{2(6371+600)\times 10^3}\\\Rightarrow E=-5.00\times 10^{12}\ \text{J}[/tex]
The total energy of the satellite is [tex]-5.00\times 10^{12}\ \text{J}[/tex].
Imagine how artificial intelligence branches such as robotics, expert systems, computer vision, reasoning, and machine learning can come together to create agents which are potentially dangerous or may be used for unethical purposes. Brainstorm what alterations, limitations, or regulations are necessary or helpful for preventing such agents from being developed or reaching their destructive potential.
There are several potential alterations, limitations, or regulations that could be put in place to prevent the development of dangerous or unethical AI agents
How to prevent this?Some possible measures include:
Establishing ethical guidelines for the development and use of AI, such as the Asilomar AI Principles or the IEEE Global Initiative on Ethics of Autonomous and Intelligent Systems.
Implementing transparency and explainability measures, such as providing clear explanations for the decision-making processes of AI systems, to make it easier to detect and address any biases or unethical behavior.
Implementing safety measures, such as adding kill switches or other forms of emergency shut-off mechanisms, to prevent AI systems from causing harm in the event of a malfunction or other problem.
Regulating the development and use of AI, such as through laws and regulations that govern the use of autonomous weapons or other potentially dangerous AI applications.
Encourage international collaboration and cooperation on AI governance, to ensure a common understanding and approach to the ethical and safety concerns surrounding AI.
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What are the different types of guards?
Select all that apply.
Fixed
Interlocked
Adjustable
Self-adjusting
Answer:
all above
Explanation:
several guards are made up for different types of guarding situations
The different types of machine guards include all the options listed: Fixed guard, Interlocked guard, Adjustable guard, and Self-adjusting guard.
What are machine guards?Machine guards are designs that come with machines in order to protect operators to come in contact with hazardous parts of the machine.
These machine guards are coverings that prevent employees from coming into close touch with moving parts and other potentially harmful regions of a machine.
The common types of machine guards we have are:
Fixed guard Interlocked guardAdjustable guard, and Self-adjusting guard.In a factory, employees should acquire adequate training before working with any machinery to avoid possibly fatal damage. Also, they must never use machinery unless they have had previous instruction.
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In which region of the Western Hemisphere would the Encomienda system have been practiced?
Economics
No links! I will report them
Story in picture
Options for answers
A)transportation
B)hotel
C)food
D)sighseeing
Answer:
D) sightseeing
Explanation:
Opportunity cost also known as the alternative forgone, can be defined as the value, profit or benefits given up by an individual or organization in order to choose or acquire something deemed significant at the time.
Simply stated, it is the cost of not enjoying the benefits, profits or value associated with the alternative forgone or best alternative choice available.
For instance, if you decide to invest resources such as money in a food business (restaurant), your opportunity cost would be the profits you could have earned if you had invested the same amount of resources in a salon business or any other business as the case may be.
In this scenario, the opportunity cost for Mikael is sightseeing to the popular Oura Preta during his stay in Brazil.
Thus, the alternative forgone by Mikael is a visit to the popular Oura Preta i.e sightseeing while retaining or maintaining other expenses such as food, hotel reservation, and transportation.
At what distance from the Earth’s surface is a 10,000 kg satellite if its potential energy is equal to –5.58 x 1011 J? (choose the closest answer)
A 958 km
B 858.km
C 758 km
D 658 km
Answer:
Option D
Explanation:
As we know
Gravitational Constant (G) [tex]= 6.67*10^{11}[/tex]
Mass of Earth (M) [tex]= 5.98*10^{24}[/tex]
Weight of satellite (m) [tex]= 10,000[/tex] Kg
Radius of Earth (R) = [tex]6.378*10^6[/tex]
Distance of satellite from Earth = [tex]\frac{GMm}{R} - U[/tex]
Substituting the given values, we get
[tex]D=\frac{(-((6.67*10^{11})(5.98*10^{24})(10000))}{(6.378*10^6)} - (-5.58*10^{11})\\\\0.625*10^{3}[/tex]Km
or 635 m
The correct answer is option D
What is the main function of motor oil? *
a. Improve the sealing of piston rings
b. Clean the engine from sludge and varnish
c. Reduce friction and wear on moving parts
d. Neutralize acids
Answer:
its d
Explanation:
Answer:
i think its C but im not sure
Explanation:
1:cultural practices of the ilocanos of la union?
2:Success story of an entrepreneur
3:the way of life of the mangyans, their folkways and mores
4:fears and anxieties of teenagers
5: Agriculture of the pre-historic period
Answer:
assalam o aalaikum
I finished my homework this morning. __________________,
Which of the following differentiates a police officer from a detective?
O A police officer collects evidence of crimes.
O A police officer arrests suspects
O A police officer testifies in court cases.
O A police officer patrols assigned areas.
Answer:
A. Identifying, pursuing, and arresting suspects and perpetrators of criminal acts.
B. Recording facts to prepare reports that document incidents and activities.
E. Reviewing facts of incidents to determine if criminal act or statute violations were involved.
Explanation:
A, B, E
A. B. E