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4 years ago

Two identical springs ( x and y ) are stretched to different lengths and held there

Mathematics

2 answers:

Fudgin [204]4 years ago

8 0

I think the answer is A. It has more potential energy because it is stretched out more & when you let go, it will have more kinetic energy.

IrinaK [193]4 years ago

6 0

A. spring x has more elastic potential energy

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PLS HELP ON THIS DIAGNOSTIC

Reika [66]

Answer:

Step-by-step explanation:

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3 years ago

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The expression 3 radical 18 is equivalent to a) 9 radical 2 b) 3 radical 2 c) 3 radical 6 d) 9 radical 3

boyakko [2]

$3\sqrt{18}$
$3\sqrt{9 * 2}$
$3\sqrt{9}\sqrt{2}$
$3(3)\sqrt{2}$
$9\sqrt{2}$

The answer is A.

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4 years ago

Help plz I really need help I really don’t know this he’ll fast plz

serious [3.7K]

I’m sorry but I’ll come back with an answer really soon

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3 years ago

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CAN SOMEONE HELP ME!!!!!!

dezoksy [38]

Answer:

see below

Step-by-step explanation:

a. 0.5 miles per gallo

b. slope is 2

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4 years ago

Write an equation of the line that passes through (18, 2) and is parallel to the line 3y−x=−12

miskamm [114]

keeping in mind that parallel lines have the same exact slope, hmmmm what's the slope of the line above anyway?

$\bf 3y-x=-12\implies 3y=x-12\implies y=\cfrac{x-12}{3}\implies y = \cfrac{x}{3}-\cfrac{12}{3} \\\\\\ y = \stackrel{\stackrel{m}{\downarrow }}{\cfrac{1}{3}}x-4\qquad \impliedby \begin{array}{|c|ll} \cline{1-1} slope-intercept~form\\ \cline{1-1} \\ y=\underset{y-intercept}{\stackrel{slope\qquad }{\stackrel{\downarrow }{m}x+\underset{\uparrow }{b}}} \\\\ \cline{1-1} \end{array}$

so we're really looking for the equation of a line whose slope is 1/3 and runs through (18,2)

$\bf (\stackrel{x_1}{18}~,~\stackrel{y_1}{2})~\hspace{10em} \stackrel{slope}{m}\implies \cfrac{1}{3} \\\\\\ \begin{array}{|c|ll} \cline{1-1} \textit{point-slope form}\\ \cline{1-1} \\ y-y_1=m(x-x_1) \\\\ \cline{1-1} \end{array}\implies y-\stackrel{y_1}{2}=\stackrel{m}{\cfrac{1}{3}}(x-\stackrel{x_1}{18}) \\\\\\ y-2=\cfrac{1}{3}x-6\implies y=\cfrac{1}{3}x-4$

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3 years ago