The SI unit of work is
1 answer:
Answer:
<h3>Step-by-step explanation:
The SI unit of work is Joule.
Further more explanation:
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⇒Work done by a force acting on a body is defined as the product of force and displacement of the body in the direction of the force.
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⇒The system of units which is agreed by the international convention of scientists held in France in 1960 is called SI unit.
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⇒One joule is the amount of work done when one Newton force displaces a body through one metre in its own direction.
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Using the given information we found that the equation of the parabola is:
y = (-4/9)*(x - 3)^2 + 5
And its graph is below.
<h3>How to get the equation of the parabola?</h3>
For a parabola with vertex (h, k), the equation is:
y = a*(x - h)^2 + k
Here the vertex is (3, 5), so the equation is:
y = a*(x - 3)^2 + 5
And the y-intercept is y = 1, this means that:
1 = a*(0 - 3)^2 + 5
1 = a*9 + 5
1 - 5 = a*9
-4/9 = a
So the parabola is:
y = (-4/9)*(x - 3)^2 + 5
And its graph is below.
If you want to learn more about parabolas, you can read:
Using proportions, the value of x that makes the triangle similar is of x = 14.
<h3>What is a proportion?</h3>A proportion is a fraction of a total amount, and the measures are related using a rule of three.
In this problem, we want the triangles to be similar, hence the lengths of it's sides follow the proportion given next:
Applying cross multiplication:
6x = 12 x 7
x = 2 x 7
x = 14.
The value of x that makes the triangle similar is of x = 14.
More can be learned about proportions at brainly.com/question/24372153
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