answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Valentin
1 month ago
5

Numerous engineering and scientific applications require finding solutions to a set of equations. Ex: 8x + 7y = 38 and 3x - 5y =

-1 have a solution x = 3, y = 2. Given integer coefficients of two linear equations with variables x and y, use brute force to find an integer solution for x and y in the range -10 to 10.
Physics
2 answers:
Softa [3K]1 month ago
6 0

Answer:

Since we lack the integer coefficients, the solutions could be outside the -10 to 10 range (this isn't the case for every coefficient). Let's proceed differently:

Assume you have the following equations:

1) A*x + B*y = C

2) a*x + b*y = c

where A, B, C, a, b, and c are known.

We will solve this in a general manner, and you can apply these solutions in the future by simply substituting the values for the constants above.

To start, we can express x in terms of y using equation 1:

A*x = C - B*y

x = (C - B*y) / A

Now, we can substitute this expression for x into equation 2 and solve for y:

a*(C - B*y)/A + b*y = c

y*(b - a*B/A) = c - a*C/A

y = (c - a*C/A) / (b - a*B/A)

With this expression for y, you can then find x by substituting y back into the equation:

x = (C - B*y) / A

and determine the value of x.

Maru [3.3K]1 month ago
5 0
I also require assistance with this.
You might be interested in
Compressed air is used to fire a 60 g ball vertically upward from a 0.70-m-tall tube. The air exerts an upward force of 3.0 N on
Yuliya22 [3333]

Answer:

2.87 m

Explanation:

Given parameters:

Mass of the ball (m) = 60 g = 0.06 kg

Height of the tube (h) = 0.70 m

Force applied on the ball by compressed air (F) = 3.0 N

Initial velocity of the ball (u) = 0 m/s (Assumed)

Final velocity of the ball at the tube's exit (v) =?

Acceleration of the ball (a) =?

The ball's weight is derived from multiplying mass and gravity. Therefore,

Weight (W) = mg=0.06\times 9.8=0.588\ N

Thus, the total force acting on the ball equals the net of upward force minus the weight.

Net force = Air force - Weight

F_{net}=F-mg\\F_{net}=3.0-0.588 = 2.412\ N

According to Newton's second law, net force equals the mass multiplied by acceleration.

F_{net}=ma\\\\a=\frac{F_{net}}{m}=\frac{2.412\ N}{0.06\ kg}=40.2\ m/s^2

Acceleration (a) is calculated as 40.2 m/s².

Using the motion equation, we find:

v^2=u^2+2ah\\\\v^2=0+2\times 40.2\times 0.7\\\\v=\sqrt{56.28}=7.5\ m/s

Let’s denote the maximum height achieved as 'H'.

Next, we apply the principle of energy conservation from the pipe's peak to the maximum height.

A decrease in kinetic energy equals an increase in potential energy.

\frac{1}{2}mv^2=mgH\\\\H=\frac{v^2}{2g}

Substituting the values, we solve for 'H', yielding:

H=\frac{56.28}{2\times 9.8}\\\\H=\frac{56.28}{19.6}=2.87\ m

Hence, the ball ascends to a height of 2.87 m above the top of the tube.

6 0
1 month ago
What is the least possible initial kinetic energy in the oxygen atom could have and still excite the cesium atom?
inna [3103]
K=E[(m+M)/M] Kmin=4.4
8 0
1 month ago
Write a hypothesis about the effect of increasing voltage on the current in the circuit. Use the "if . . . then . . . because .
Yuliya22 [3333]

Hypothesis: An increase in voltage should result in a corresponding rise in current because according to Ohm's Law,

I \propto V

I=\frac{V}{R}

Ohm's Law indicates that current is proportional to voltage when resistance remains constant. Hence, if resistance stays the same, elevating the voltage will lead to an increase in current. Conversely, if voltage remains unchanged and resistance increases, current will decrease.

3 0
1 month ago
Read 2 more answers
A glass tube is filled with hydrogen gas.  An electric current is passed through the tube, and the tube begins to glow a pinkish
inna [3103]
The initial description is the accurate one.
6 0
1 month ago
Read 2 more answers
A boat is floating in a small pond. the boat then sinks so that it is completely submerged. what happens to the level of the pon
ValentinkaMS [3465]
When the boat submerges completely in the pond, the water level of the pond rises.
4 0
14 days ago
Other questions:
  • An axle passes through a pulley. Each end of the axle has a string that is tied to a support. A third string is looped many time
    5·1 answer
  • A person is trying to judge whether a picture (mass = 1.10 kg) is properly positioned by temporarily pressing it against a wall.
    11·1 answer
  • A 1100kg car pulls a boat on a trailer. (a) what total force resists the motion of the car, boat,and trailer, if the car exerts
    12·1 answer
  • Find the change in volume for a metallic dental filling due to the difference between body temperature (37.0°C) and the temperat
    15·1 answer
  • There is a distinction between average speed and the magnitude of average velocity. Give an example that illustrates the differe
    6·1 answer
  • A constant-velocity horizontal water jet from a stationary nozzle impinges normally on a vertical flat plate that rides on a nea
    10·1 answer
  • A simple watermelon launcher is designed as a spring with a light platform for the watermelon. When an 8.00 kg watermelon is put
    15·1 answer
  • What is the equation describing the motion of a mass on the end of a spring which is stretched 8.8 cm from equilibrium and then
    15·2 answers
  • A standard 14.16-inch (0.360-meter) computer monitor is 1024 pixels wide and 768 pixels tall. Each pixel is a square approximate
    7·1 answer
  • While watching the crane in operation, an observer mentions to you that for a given load there is a maximum angle θmax between 0
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!