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Sidana [21]
2 years ago
15

Ariel dropped a golf ball from her second story window. The ball starts from rest and hits the sidewalk 1. 5 s later with a velo

city of 14. 7 m/s. Find the average acceleration of the golf ball.
SAT
1 answer:
goldenfox [79]2 years ago
6 0

Answer:

9.8 m.s^-2

Explanation:

The ball starts from rest which is the initial velocity and the final velocity is 14.7 m/s. So, first take the final velocity and subtract it with the initial velocity over the time and write your answer in meters per square second.

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Polonius’s character is complex in the excerpt because he practices deception.

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From the above, we can therefore say that Polonius’s character is complex due to the fact that he practices deception.

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How many liters each of a 50% acid solution and a 75% acid solution must be used to produce 90 liters of a 60% acid solution? (R
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The numbers of liters that is needed is 40 liters of 25% solution and 40 liters of 65% solution.

<h3>What is the litters about?</h3>

Note that:

We take x = volume of 25% solution.

We take y = volume of 65% solution.

So, Equation of total volume:

x + y = 80

Hence the equation of amount of acid:

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Then Substitute into the second equation.

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x + 40 = 80

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Therefore, The numbers of liters that is needed is 40 liters of 25% solution and 40 liters of 65% solution.

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