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Anton [14]
2 years ago
14

How much work is done when you lift an object that weighs 150 N to a height of 5 meters​

Mathematics
1 answer:
lara31 [8.8K]2 years ago
7 0

Answer:

Work done = 150 x 5  = 750 J

Step-by-step explanation:

Work done is the measure of energy transferred to an object when a force is added causing the object to move a distance in the direction of the force.

The equation for work done is force time the distance and is measured in Joules. Therefore the formula is W = F x D

work done (W) is measured in joules (J)

force (F) is measured in newtons (N)

distance (d) is in the same direction as the force and is measured in

metres (m)

W = F x D

w = 150 x 5

W = 750 J

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Given the graph above find an equation for the graph and write your anwser in slope intercept form
lys-0071 [83]

<u>Given:</u>

Given that the graph of a linear function.

We need to determine the equation of the graph in slope intercept form.

<u>Slope</u>:

Consider any two coordinates from the equation of the line to determine the slope.

Let the two coordinates are (-4,3) and (4,-1)

The slope can be determined using the formula,

m=\frac{y_2-y_1}{x_2-x_1}

Substituting the coordinates in the above formula, we get;

m=\frac{-1-3}{4+4}

m=\frac{-4}{8}

m=-\frac{1}{2}

Thus, the slope of the equation is m=-\frac{1}{2}

<u>Value of y - intercept:</u>

The value of y - intercept is the value of y when x = 0.

Hence, from the graph, it is obvious that the value of y when x = 0 is 1.

Hence, the value of y - intercept is 1.

Thus, y - intercept is b=1

<u>Equation of the line:</u>

The equation of the line can be determined using the formula,

y=mx+b

Substituting the slope m=-\frac{1}{2} and the y - intercept b=1

Thus, we get;

y=-\frac{1}{2}x+1

Thus, the equation of the line is y=-\frac{1}{2}x+1

5 0
2 years ago
How to improve in math?
Arte-miy333 [17]
The best way is to do problems over and over again and making mistakes with them.There is no point in doing them if you get correct answers.
When you make mistakes you ask someone what’s wrong and try not to make that mistake again.
That’s how I became a master at maths and physics.

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Once you got that do more questions.
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Hope this helps:)
7 0
3 years ago
Which ratios correctly compare bananas to apples, as<br> shown in the image? Check all that apply.
Oksana_A [137]

Answer:

where's the picture bro?

Step-by-step explanation:

7 0
3 years ago
The cost of 12 pencils is rupees 37 4 by 5 find the cost of one pencil​
Svetllana [295]

Answer:

Cost of 12 pencils = 37 4/5 = 189/5

Cost of 1 pencil = 189/5 ÷ 12

= 189/5 x 1/12 = 189/60 = 63/20 = 3 3/20

So required answer is 3 3/20

Hope This Helps You!

5 0
3 years ago
How many solutions does this system have? y=3/4x-5 -3x+4y=-20?
lisov135 [29]

Answer:

infinite

Step-by-step explanation:

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Therefore for any value of x you can find y, thus having an infinite number of x,y pairs

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3 years ago
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