3 years ago

Can not be determined? Help

Advanced Placement (AP)

1 answer:

Bogdan [553]3 years ago

6 0

The crime scheme and suspect are very similar in the pattern meaning it is suspect number 2

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Explanation:

The speed of the ball in meters per second is

$V(t)=9.8t+V_0$

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$V(2)=9.8(2)+V_0\\\\V(2)=19.6+V_0$

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Also, for constant acceleration motion, the average velocity is equal to the sum of final and initial velocities divided by 2 and to the distance divided by the time:

$\dfrac{V(t)+V_0}{2}=\dfrac{d}{t}$

Where you know:

t = 2s

$V(2)=9.8(2)+V_0=19.6+V_0$

d = 25m

Substituting (the units are ommited in the equationn, but added at end of the answer):

$\dfrac{V(2)+V_0}{2}=\dfrac{25}{2}$

$V(2)+V_0=25$

Thus, you have a system of equations:

$V(2)+V_0=25$

$V(2)=19.6+V_0$

Substituting the second into the first:

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Answer:

$market \: equilibrium \: occurs \\ thank \: you$

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