08.07.2021

A person is sledding down a hill at a speed of 9 m/s. The hill gets steeper and his speed increases to 18 m/s in 3 sec. What was his acceleration?

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24.06.2023, solved by verified expert
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3 m/s^2

Explanation:

You are given their initial velocity and their final velocity, as well as the time.

This allows you to use the equation for acceleration, a = Δv/Δt (change in velocity over change in time):

vfinal - vinitial = Δv

(18 m/s - 9 m/s)/ 3 sec = 3 m/s^2

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3 m/s^2

Explanation:

You are given their initial velocity and their final velocity, as well as the time.

This allows you to use the equation for acceleration, a = Δv/Δt (change in velocity over change in time):

vfinal - vinitial = Δv

(18 m/s - 9 m/s)/ 3 sec = 3 m/s^2

Computers and Technology
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Answer: c. internet of things.

Explanation:
The technology that combines with the 5G capabilities which was used in the monitoring of the shopping trends is the Internet of Things.
- Internet of Things (IoT) simply means when there are interrelated, and internet-connected objects which collects and transfers data without human intervention through a wireless network or makes use of sensors.
- This is being used by the retailer in the example given to monitor the shopping trends. In conclusion, the correct option is Internet of Things.
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The solution that would help the client pool their data together is a data integration solution. This type of solution allows for the collection and consolidation of data from various sources into a single, unified database. This can be achieved through a variety of methods, including Extract, Transform, Load (ETL) processes, data warehousing, and master data management. By implementing a data integration solution, the client will be able to access and analyze their data more efficiently, leading to better insights and informed decision-making.

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The correct answer to the following question will be "Auto-encoder".

Explanation:

It is indeed a form of artificial neural net that utilizes in an unmonitored way to practice successful information coding.

The objective of such an auto-encoder seems to be to acquire a specification (encoding) for a collection of information, usually for reducing degrees of freedom, by teaching the channel to overlook the "noise" message.Learn a few things of endogenous model representation and then use it to recreate the object.
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When one encounters another vessel and assess the situation and believes that you are the stand-on vessel, You should still maintain your course unless the give-away vessel or vessel you have encountered is not taking appropriate actions, what you should do is, you should take action and move away from the vessel, do not go toward the vessel nor pass in front of it.
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A code in C++ follows:

Explanation:

#include<iostream>

using namespace std;

int calculate_area(int width, int length)

{

int area;

area=width*length;

return area;

}

int main()

{

int a,b,ar,c,d,ar1,n;

cout<<"\nEnter length of room:";

cin>>a;

cout<<"\nEnter width of room:";

cin>>b;

ar=calculate_area(a,b);

cout<<"\nArea of room:"<<ar<<" units";

cout<<"\nEnter length of mat:";

cin>>c;

cout<<"\nEnter width of mat:";

cin>>d;

ar1=calculate_area(c,d);

n=ar/ar1;

cout<<"\nNumber of mats required are:"<<n;

return 0;

}


Codehs 7.4.6:  gymnastics mats calculate how many mats will be needed to fill a room given the dimen
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def get_word(sentence, n):

# Only proceed if n is positive

   if n > 0:

       words = sentence.split()

# Only proceed if n is not more than the number of words

       if n <= len(words):

           return words[n-1]

   return (" ")

print(get_word("This is a lesson about lists", 4)) # Should print: lesson

print(get_word("This is a lesson about lists", -4)) # Nothing

print(get_word("Now we are cooking!", 1)) # Should print: Now

print(get_word("Now we are cooking!", 5)) # Nothing

Explanation:

Added parts are highlighted.

If n is greater than 0, split the given sentence using split method and set it to the words.

If n is not more than the number of words, return the (n-1)th index of the words. Since the index starts at 0, (n-1)th index corresponds to the nth word

Computers and Technology
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The technology that could be partnered with Cloud to allow the international fast-food chain to gain insights into customer data, including location and order patterns, is called data analytics or big data analytics. It involves using software algorithms and tools to analyze large and complex datasets like customer data, and extract useful insights and patterns that can be used to make informed decisions about customer-focused experiences such as promotions and unique user experiences. Data analytics can help businesses improve customer satisfaction, increase sales and revenue, and gain a competitive advantage in the marketplace.

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Answer options:
a. Cleaning a data visualization to remove unwanted patterns.
b. Iteratively creating visualizations to ask and answer new questions.
c. Cleaning data to remove inconsistencies.
d. Filtering the data to look at the responses from only certain groups.

Answer: is correct d. Filtering the data to look at the responses from only certain groups.

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