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guajiro [1.7K]
2 years ago
6

For example, if a wave has a frequency of 120 Hz and a wavelength of 5m, it would have a speed of 600 m/s.

SAT
1 answer:
katen-ka-za [31]2 years ago
8 0

Answer:

The speed of the wave at the given wavelength and frequency is 60 m/s.

The given parameters;

wavelength of the wave, λ = 0.5 m

frequency of the wave, f = 120 Hz

The speed of the wave is calculated by applying general wave equation as shown below;

v = fλ

where;

v is the speed of the wave

v = 120 x 0.5

v = 60 m/s

Thus, the speed of the wave at the given wavelength and frequency is 60 m/s.

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2.17 LAB: Word frequencies - methods Write a program that reads a list of words. Then, the program outputs those words and their
pickupchik [31]

Using the knowledge in computational language in JAVA it is possible to write a code that reads a list of words.

<h3>Writting the code in JAVA:</h3>

<em>import java.util.*;</em>

<em>//class name LabClass</em>

<em>public class LabClass{</em>

<em>    //function getFrequencyOfWord with array wordList, ListSize and currWord as parameter</em>

<em>    public static int getFrequencyOfWord(String[] wordsList, int ListSize, String currWord){</em>

<em>        int frequency = 0;</em>

<em>        //for loop for iteration </em>

<em>        for(int i=0; i<ListSize; i++){</em>

<em>            //if current word matches with words present in list</em>

<em>            //then increase the frequency by 1</em>

<em>            if(wordsList[i].compareTo(currWord)==0){</em>

<em>                frequency++;</em>

<em>            }</em>

<em>        }</em>

<em>        //return frequency at last </em>

<em>        return frequency;</em>

<em>    }</em>

<em>    //main function </em>

<em>    public static void main(String[] args) {</em>

<em>        //creating object of Scanner class </em>

<em>        Scanner sc = new Scanner(System.in);</em>

<em>        int size;</em>

<em>        //asking user to input size of list </em>

<em>        System.out.println("Enter the size of list :");</em>

<em>        size = sc.nextInt();</em>

<em>        //creating array of same size as user input size</em>

<em>        String[] wordList = new String[size];</em>

<em>        sc.nextLine();</em>

<em>        //asking user to input array elements </em>

<em>        System.out.println("Enter list elements one by one :");</em>

<em>        for(int i =0; i<size; i++)</em>

<em>        {</em>

<em>            wordList[i] = sc.nextLine();</em>

<em>        }</em>

<em>        System.out.print("\n");</em>

<em>        sc.close();</em>

<em>        //calling function getFrequencyOfWord in every iteration by passing</em>

<em>        //required arguments to it </em>

<em>        for(int i=0; i<size; i++)</em>

<em>        {</em>

<em>            String currWord = wordList[i];</em>

<em>            int count = getFrequencyOfWord(wordList, size, currWord);</em>

<em>            //printing result </em>

<em>            System.err.println(currWord + " : " + count);</em>

<em>        }</em>

<em>    }</em>

<em>}</em>

See more about JAVA at brainly.com/question/12978370

#SPJ1

3 0
2 years ago
Kdbftsbfgsbfgsbfgsbfgsfbtsbftsrtnryn
belka [17]

Answer:

hmm.. this is a hard one.. hfurogrnewuwbgreuoanbimo

Explanation:

hiogrnei;baugreneageriulsgnrhbgrel

4 0
3 years ago
If the pool is to be 24 ft on each side, what is the length of one side of the hot tub? 4 ft 4. 8 ft 6 ft 7. 2 ft.
riadik2000 [5.3K]

Based on the information given the length of one side of the hot tub is 4. 8 ft.

<h3 /><h3>Length:</h3>

Using this formula

Length=B prime C prime length/Scale factor

Where:

B prime C prime length=24 feet

Scale Factor=5

Let plug in the formula

Length=24ft/5

Length=4.8ft

Inconclusion the length of one side of the hot tub is 4. 8 ft.

Learn more about length here:brainly.com/question/17135976

3 0
2 years ago
A technology store sells tablets and
IRINA_888 [86]

The combination that could be the total sales would be 360 tablets and 180 computers.

<h3>Total sales</h3>

Over 300 total sales were made in January

100 tablets and 20 computers were sold in February.

This means that total sales would be: (300+) 100 + 20 = 420+

Only options B and C have 420+ total sales.

But, there are more tablet sales than computers.

Thus, we are left with only option B

More on total sales can be found here: brainly.com/question/14119360

#SPJ1

5 0
2 years ago
The mean yearly rainfall in Sydney, Australia, is about 137 mm and the standard deviation is about 69 mm ("Annual maximums of,"
Maru [420]

Answer:

I hope this answers the question

Explanation:

5 0
3 years ago
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