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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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The simple linear regression model for the reaction time of a certain chemical process based on the temperature (°F) in the chamber in which the reaction takes place is:

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The expected change in reaction time for a 1°F increase in temperature is 4.39 hours.

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