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Paha777 [63]
3 years ago
6

To estimate the height of a building, a stone is dropped from the top of the building into a pool of water at ground level. The

splash is seen 5.6 seconds after the stone is dropped. What is the height of the building? Use the position function s(t) = 4.9t² + v_0 t + s_0 for free falling objects.
Mathematics
1 answer:
kupik [55]3 years ago
7 0

Answer:

The height of the building is 153.664 meter.

Step-by-step explanation:

Consider the provided function.

s(t) = 4.9t^2 + v_0 t + s_0

Here t represents the time v₀ represents the initial velocity, s₀ represents the initial height and s(t) represents the height after t seconds.

It is given that the splash is seen 5.6 seconds after the stone is dropped.

That means after 5.6 seconds height s(t) = 0, Also the initial velocity of the stone is 0.

Substitute respective values in the above function.

0 = 4.9(5.6)^2 +5.6(0)+ s_0

0 = 4.9(31.36)+ s_0

s_0=-153.664

As height can't be a negative number so the value of s₀ is 153.664.

Hence, the height of the building is 153.664 meter.

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A) m = 0.062

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Step-by-step explanation:

We are given the following in the question:

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Let p be the prize and s be the size.

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Comparing it to linear equation, we have,

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m = 0.062

c = 47.87

A) slope of the line

The slope of line tells the rate of change. Thus, it tells the change in price if the size of house is increased by 1 square feet.

The price of house increases by 0.062 thousand dollars if the size of house is increased by 1 square feet.

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We are given s = 2500. Putting this value in the equation.

p(2500) = 47.87 + 0.062(2500) =202.87

Thus, the price of a 2500 square feet house is 202.87 thousand dollars.

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The buyer is asking for 110.07 thousand dollars.

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Answer:

Step-by-step explanation:

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I think I've done this correctly. If you find an error, please let me know and I'll open it for editing.

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