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Kamila [148]
3 years ago
13

Who was responsible for the development of the rocket motor?

Computers and Technology
2 answers:
kiruha [24]3 years ago
6 0

Answer: Robert H. Goddard

Explanation: he developed and flew the first liquid-propellant rocket

AleksandrR [38]3 years ago
6 0

Answer:

-Technical Societies

Explanation:

<em>Rocket enthusiasts and rocket clubs were active in Germany, the US, Russia, and other countries. Experimental rockets were designed, tested, and sometimes flown. Some of the experiments used liquid fuel, though solid-fuel rockets were also developed. In 1932, the rocket motor was developed as a reusable method for the flight of a rocket.</em>

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Look at the options below. Which one is a simulation?
Elena-2011 [213]

Im going to guess the 2nd one.

The 1st one just shows how trees can make ____ and then goes to water, the sun, then the rain but it CAN be used as one.

The 2nd one seems to explain the best it can show about weather, water, landforms, the sun, and seems like a better one to choose.

5 0
3 years ago
Air bags are always safe. A. True B. False
Naya [18.7K]

Air bags are always safe. A. True<u> B. False</u>

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3 years ago
Read 2 more answers
1. Think about the various ways in which you have seen hackers portrayed in popular media over the past few years. Are they hero
Eva8 [605]
They are definitely not heroic characters, so you can rule that out. Definitely dangerous criminals. If you need me to help further I can. Is that a question or an essay?
3 0
4 years ago
WILL GIVE BRAIINLIEST AND WATER ICE FROM RITA'S!!!!!!!!!
cricket20 [7]

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When you purchase a connecting flight, checked baggage is usually forwarded to your final destination, and will change planes when you do. ... In some cases if you purchased multiple tickets that are not all on the same carrier you may need to recheck your baggage

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3 years ago
Write a program that will prompt the user to enter an integer. The program should square the number and then print the squared n
Kay [80]

Answer:

// here is code in C++.

#include <bits/stdc++.h>

using namespace std;

// function to compute sum and product

void square(int input)

{

   // variable to store the square of number

   long long squ_num;

   calculate the square of number

   squ_num=pow(input,2);

   // print the output

   cout<<"square of "<< input<<" is: "<<squ_num<<endl;

   

}

// driver function

int main()

{

   int n;

   // read the number until user enter 0

   do{

       cout<<"enter a number!! (0 to stop):";

     // read the input from user

       cin>>n;

       // call the function to calculate square of input number

       square(n);

       

   }while(n!=0);

 

return 0;

}

Explanation:

Declare a variable "n" to read the input number from user.Call the function  square() with parameter "n".In this function, it will calculate the square  of the input number and print it.This will repeat until user enter 0 as  input.Program will ends when user give 0 as input.

Output:

enter a number!! (0 to stop):5                                                                                                                                

square of 5 is: 25                                                                                                                                            

enter a number!! (0 to stop):7                                                                                                                                

square of 7 is: 49                                                                                                                                            

enter a number!! (0 to stop):11                                                                                                                              

square of 11 is: 121                                                                                                                                          

enter a number!! (0 to stop):0

3 0
4 years ago
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