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ElenaW [278]
3 years ago
15

I need help! I have a test and I don't know how to study!

SAT
2 answers:
Artemon [7]3 years ago
7 0
Um what kind of test? If you need to study, you can go on Quizlet.com and search the subject you need. It is a website where study tools are made by students to help review for tests.
stiks02 [169]3 years ago
3 0
If you want to focus more eat a healthy breakfast like a banana or a apple and take a mint or gum and it will help you focus
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John F. Kennedy had a combination of ideal types of leadership. Although he was the president of the United States, he also insp
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A student is bouncing on a trampoline. At her highest point, her feet are 95 cm above the trampoline. When she lands, the trampo
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The time she spent in contact with the trampoline is 0.1619 seconds.

The objective of this question is to determine for how long she is in contact with the trampoline?

The conservational force is exerted on the trampoline is equivalent to the sum of the potential energy at the highest point and the elastic energy at the lowest point.

∴

From the given information;

\mathbf{mg \dfrac{(95 +25)}{100} = \dfrac{1}{2}k ( \dfrac{25}{100})^2}

\mathbf{m\times g\times 1.2 = k(0.03125)}

\mathbf{m\times 9.8 \times 1.2 = k(0.03125)}

\mathbf{\dfrac{m}{k} = \dfrac{(0.03125)}{9.8 \times 1.2}}

\mathbf{\dfrac{m}{k} = 0.002657}

Using the Simple Harmonic Motion to determine the time at which she is in contact with the trampoline, we have;

\mathbf{t= \dfrac{T}{2}}

\mathbf{t= \dfrac{2 \pi}{2} \sqrt{\dfrac{m}{k}}}

where;

  • \mathbf{\dfrac{m}{k} = 0.002657}

\mathbf{t= \dfrac{2 \pi}{2} \times \sqrt{0.002657}}}

\mathbf{t=0.1619\ sec}}

Learn more about the time period of a Simple Harmonic Motion here:

brainly.com/question/17315536

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3 years ago
Pls pls pls pls pls help me
mash [69]
The first one hehehejsisososowoso you’re welcome
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