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lana66690 [7]
3 years ago
14

Arrange the equations in the correct sequence to rewrite the formula for displacement, d = vt—1/2at^2 to find a. In the formula,

d is
displacement, v is final velocity, a is acceleration, and t is time.

Mathematics
1 answer:
Murljashka [212]3 years ago
6 0

Answer:

a = \frac{2(vt-d)}{t^{2} }

Step-by-step explanation:

Given the formula for calculating the displacement of a body as shown below;

d = vt - \frac{1}{2} at^{2}

d = displacement

v = final velocity

a = acceleration

t = time

To make the acceleration a the subject of the formula, the followin steps must be taken;

Step 1: Subtract vt from both sides of the equation

d-vt = vt-vt-\frac{1}{2}at^{2} \\ d-vt = -\frac{1}{2}at^{2}\\2(d-vt) = -at^{2}

Step 2: Divide both sides by t²

\frac{2(d-vt)}{t^{2} } = \frac{-at^{2} }{t^{2} } \\a = \frac{-2(d-vt)}{t^{2} }

a = \frac{2(vt-d)}{t^{2} }

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7 0
3 years ago
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7 0
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*NEED HELP!*
Vlad1618 [11]

Answer and Step-by-step explanation:

Hello!~

Let's~answer~your~question!

So,~for~this~equation,~we~need~to~use ~the~distributive~property~of ~multiplication.~but,before~we~start~to~solve  this~equation,~let's~get~to~know~what

distributive ~property ~of~multiplication~means!

<em><u /></em>

<em><u>Distributive property of multiplication :</u></em>  

Distributive~property~of~multiplication~states~thatwhen~a~~number~is~multiplied

by~the ~sum ~of~ two~ numbers, the~ first~ number ~can~ be ~distributed ~to both ~of~those numbers~and~multiplied~by~each~of~them separately.

→ a*(b+c)=a*b*+~a*c  

<em><u>Now, that we know what it means let's apply it in our equation:</u></em>

<em><u /></em>(2*x)+(2*7)=36<em><u /></em>

<em><u /></em>

<em><u>Now, we simplify:</u></em>

<em><u /></em>2x+14=36<em><u /></em>

<em><u /></em>

<em><u>Divide both sides by 2 in the equation:</u></em>

<em><u /></em>\frac{2x+14}{2} =\frac{36}{2}<em><u /></em>

<em><u /></em>

<em><u>Simplify :</u></em>

<em><u /></em>x+7=18<em><u /></em>

<em><u /></em>

<em><u>Thus, the first correct step is option B,</u></em>

<em><u /></em>then~comes,~option~"A"~then,~option~"F"~as~shown~above The~remaining~options~are~not~enough~information~to~solve~the~given equation:(x + 7) = 36.

3 0
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