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3 years ago

Science: Please help me with this due in 5 minutes

Physics

1 answer:

babunello [35]3 years ago

6 0

Answer: Use less water

only turn on lights when needed

electrical cars

less gas usage

Explanation:

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Help pls i need this right now

pantera1 [17]

Answer:

The x-component of $F_{3}$ is 56.148 newtons.

Explanation:

From 1st and 2nd Newton's Law we know that a system is at rest when net acceleration is zero. Then, the vectorial sum of the three forces must be equal to zero. That is:

$\vec F_{1} + \vec F_{2} + \vec F_{3} = \vec O$ (1)

Where:

$\vec F_{1}$ , $\vec F_{2}$ , $\vec F_{3}$ - External forces exerted on the ring, measured in newtons.

$\vec O$ - Vector zero, measured in newtons.

If we know that $\vec F_{1} = (70.711,70.711)\,[N]$ , $\vec F_{2} = (-126.859, 46.173)\,[N]$ , $F_{3} = (F_{3,x},F_{3,y})$ and $\vec O = (0,0)\,[N]$ , then we construct the following system of linear equations:

$\Sigma F_{x} = 70.711\,N - 126.859\,N +F_{3,x} = 0\,N$ (2)

$\Sigma F_{y} = 70.711\,N + 46.173\,N+F_{3,y} = 0\,N$ (3)

The solution of this system is:

$F_{3,x} = 56.148\,N$ , $F_{3,y} = -116.884\,N$

The x-component of $F_{3}$ is 56.148 newtons.

5 0

3 years ago

If the specific latent heat of ice is 340 000 J/kg,

Ganezh [65]

Answer:

jsjdgsudgwid s

Explanation:

83638hr is 3738 so 8273 and 837y37 and 82638 say hi to 1937

6 0

2 years ago

Determine the gradient and the co-ordinates of the x and y intercept of line whose equation is 2y + 3x = 1

Savatey [412]

Answer:

The x - intercept is 1/3

The y - intercept is 1/2

The gradient is -3/2

Explanation:

To find the x - intercept of the equation 2y + 3x = 1, we find the value of x when y = 0. So,

2y + 3x = 1

2(0) + 3x = 1

0 + 3x = 1

3x = 1

x = 1/3

So, the x - intercept is 1/3

To find the y - intercept of the equation 2y + 3x = 1, we find the value of y when x = 0. So,

2y + 3x = 1

2y + 3(0) = 1

2y + 0 = 1

2y = 1

y = 1/2

So, the y - intercept is 1/2

To find the gradient of the equation 2y + 3x = 1, we re-write it in gradient intercept form by making y subject of the formula.

So, 2y + 3x = 1

2y = -3x + 1

y = -3x/2 + 1/2

The coefficient of x which equals -3/2 is the gradient.

The gradient is -3/2

4 0

3 years ago

Hwisisidndnsusudjddjsjss

MAVERICK [17]

Answer:

Explanation:

bdfsbjkbs!!

4 0

3 years ago

The chemical formula for phosphorus trichloride is PC13. In one to two sentences, explain how you would build or draw a model of

lara [203]

To build a model of PCl3, you need two colors of ball. One color will represent each atom. Three balls will be the of one color and one ball will be of a different color.

A model is a visual representation of something that exists in reality. The purpose of a model is to aid a person to conceptualize a given fact.

A molecular model of PCl3 is a visual representation of the molecule. If we have two colors of ball, three of one color and one of a different color, we can have a model of PCl3.

In this model, the three balls of the same color represents chlorine atoms while the lone ball of a different color represents the phosphorus atom.

Learn more: brainly.com/question/156574

8 0

3 years ago