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Ipatiy [6.2K]
3 years ago
5

The table below shows the approximate height of a ball thrown up in the air after x seconds. A 2-column table with 5 rows. The f

irst column is labeled time (seconds) with entries 0, 1, 2, 3, 4. The second column is labeled height (feet) with entries 5, 90, 140, 160, 150. Which quadratic model best represents the data? f(x) = –16x2 + 99x + 6 f(x) = –36x2 + 37x + 5 f(x) = 36x2 + 37x + 5 f(x) = 16x2 + 99x + 6
Mathematics
2 answers:
Katen [24]3 years ago
5 0

Answer:

a

Step-by-step explanation:

garik1379 [7]3 years ago
4 0

Answer:

A) . f(x) = –16x2 + 99x + 6  

AAAAAAA is the answerrrrrr!!!!

Step-by-step explanation:

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Sonja [21]

Answer:

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3 years ago
What force would have been applied to the bus from t=16 s to t=21 s? Assume the mass of the bus was 50 kg.
Svetllana [295]

Applying Newton's Second Law, it is found that the force, in Newtons, is given by:

F = 10[v(21) - v(16)]

Newton's Second Law states that Force, in Newtons, is <u>mass times acceleration</u>, that is:

F = ma

In this problem, mass of 50 kg, thus m = 50

Acceleration is <u>change in velocity divided by change in time</u>, that is:

a = \frac{\Delta_v}{\Delta_t}

In this problem, we don't know the velocities, but know that time is from 16s to 21s, thus:

\Delta_t = 21 - 16 = 5

\Delta_v = v(21) - v(16)

Thus, the force is given by:

F = ma

F = m\frac{\Delta_v}{\Delta_t}

F = 50\frac{[v(21) - v(16)]}{5}

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A similar problem is given at brainly.com/question/18801986

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