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Tema [17]
2 years ago
8

Which conclusion best explains the narrator's inability

SAT
1 answer:
Masja [62]2 years ago
8 0

Answer:

can I get a picture of the question?

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Max (mass = 15 kg) is hanging from one end of a 13-m long bungee cord that has its other end fixed to a bridge above. The bungee
Rashid [163]

The stress experimented by the bungee cord due to Max's weight is approximately 299.680 kilopascals.

<h3>How to find the stress experimented by the bungee cord</h3>

Let suppose that the stress (\sigma), in pascals, experimented by the bungee cord is entirely <em>elastic </em>and <em>uniform</em>. By Newton's Laws we know that the tension (T), in newtons, experimented by the cord equals Max's weight. The stress on the bungee cord is axial and is described by following formula:

\sigma = \frac{m\cdot g}{\frac{\pi\cdot D^{2}}{4} }   (1)

Where:

  • m - Max's mass, in kilograms
  • g - Gravitational acceleration, in meters per square second
  • D - Diameter of the circular cross section, in meters

If we know that m = 15\,kg, g = 9.807\,\frac{m}{s^{2}} and D = 0.025\,m, then the stress experimented by the bungee cord is:

\sigma = \frac{(15\,kg)\cdot \left(9.807\,\frac{m}{s^{2}} \right)}{\frac{\pi}{4}\cdot (0.025\,m)^{2} }

\sigma \approx 299679.845\,Pa\, (299.680\,kPa)

The stress experimented by the bungee cord due to Max's weight is approximately 299.680 kilopascals. \blacksquare

To learn more on stress, we kindly invite to check this verified question: brainly.com/question/1178663

4 0
2 years ago
What is the probability that a randomly chosen u. S. President is left-handed and a democrat?.
sashaice [31]

Using conditional probability, it is found that there is a 0.052 = 5.2% probability that a randomly chosen U. S. President is left-handed and a democrat.

<h3>What is Conditional Probability?</h3>

Conditional probability is the probability of one event happening, considering a previous event. The formula is:

P(B|A) = \frac{P(A \cap B)}{P(A)}

In which

  • P(B|A) is the probability of event B happening, given that A happened.
  • P(A \cap B) is the probability of both A and B happening.
  • P(A) is the probability of A happening.

In this problem, the events are:

  • Event A: President is left-handed.
  • Event B: President is a democrat.

Researching the problem on the internet, it is found that:

  • 40% of the presidents were left-handed, hence P(A) = 0.4.
  • If a president is left-handed, there is a 13% chance that the president is a Democrat, hence P(B|A) = 0.13.

Then:

P(B|A) = \frac{P(A \cap B)}{P(A)}

0.13 = \frac{P(A \cap B)}{0.4}

P(A \cap B) = 0.13(0.4)

P(A \cap B) = 0.052

0.052 = 5.2% probability that a randomly chosen U. S. President is left-handed and a democrat.

You can learn more about conditional probability at brainly.com/question/15536019

5 0
2 years ago
PLEASE HELP
butalik [34]

Answer:

84;6

Explanation:

6 0
3 years ago
In the United States, which assessment system measures inflation
Vesnalui [34]
Consumer price index

4 0
3 years ago
Read 2 more answers
When a survey was conducted among 100 students to find their favorite pizza topping, 45 students voted for pepperoni, 25 for mus
Wittaler [7]

Answer:

108°

Explanation:

just follow my steps.

3 0
2 years ago
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