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mrs_skeptik [129]
3 years ago
10

Question 1

Advanced Placement (AP)
1 answer:
AveGali [126]3 years ago
5 0

Answer:

false

Explanation:

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D. Is the answer your looking for because SSRI raises your brain levels helping cope with stress.
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11. A political polling organization conducted a survey by selecting 100 random samples, each consisting of 500 registered voter
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3 years ago
For time t≥0 , the acceleration of an object moving in a straight line is given by a(t)=sin(t23). what is the net change in velo
Firlakuza [10]

The net change in velocity during the given time interval is equal to -0.665.

<u>Given the following data:</u>

  • Initial time = 0.75 seconds.
  • Final time = 2.25 seconds.
  • Acceleration, a(t) = sin(\frac{t^2}{3} )

<h3>How to calculate the net change in velocity.</h3>

Since acceleration is the rate of change of velocity of an object, we would derive an expression for the velocity by differentiating with respect to time:

V(t) = \frac{d}{dt} a(t)\\\\V(t) = \frac{d}{dt} (sin(\frac{t^2}{3} ))\\\\V(t) =  cos( \frac{t^2}{3})(\frac{2t}{3})\\\\V(t) = \frac{2t}{3}cos( \frac{t^2}{3})

Substituting the time interval, we have:

V(t) = \frac{2\times 2.25}{3}cos( \frac{2.25^2}{3})- \frac{2\times 0.75}{3}cos( \frac{0.75^2}{3})\\\\V(t) = \frac{4.5}{3}cos( \frac{5.0625}{3})- \frac{1.5}{3}cos( \frac{0.5625}{3})\\\\V(t) =1.5(-0.11643)-0.5(0.98247)

V(t) = -0.665.

Read more on acceleration here: brainly.com/question/24728358

6 0
1 year ago
Colas may be purchased in two or three______ bottles
katrin [286]

Answer:

Two or three cola bottles are purchased in liter bottles.

<u>Explanation: </u>

Cola is a liquid substance and this is measured in liters. It occupies the volume of the bottle. Hence cola is measured in liters. Liter is the unit of measurement of the volume.<em> In one liter we have 1000 cubic centimeter or 1000 milliliters. </em>If we purchase any liquid item the quantity is always measured in the form of liters.<em> Now in the given question cola liquid and this can be measured in liters so cola is purchased in 2 or 3 liter bottles. </em>

5 0
3 years ago
Why did civilization begin in ancient Egypt?
Serhud [2]

Answer:

Egyptian civilization developed along the Nile River in large part because the river's annual flooding ensured reliable, rich soil for growing crops. ... Ancient Egyptians developed wide-reaching trade networks along the Nile, in the Red Sea, and in the Near East.

Explanation:

4 0
3 years ago
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