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Georgia [21]
3 years ago
11

I need help on career prep

Physics
1 answer:
Tema [17]3 years ago
4 0
Here is some helpful information:

- Career prep is dedicating time and energy to deciding what you want to spend doing as life work. In other words it is choosing a career.

- Career prep involves preparation, research, resources, connections, decision making....

- Career prep is meant to be a process that helps you choose the field that you will pursue . It is meant to prepare you for the career you have chosen to commit to.

- Career prep involves you asking serious questions like what i am good at? what do I like doing? what do I so well I can get paid for doing it? what do I do that I don't mind working hard every day?

I hope this helped. please vote my answer branliest. Thanks.
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Answer:

11

Explanation:

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A wooden rod of negligible mass and length 84.0 cm is pivoted about a horizontal axis through its center. A white rat with mass
Mandarinka [93]

Answer:

v = 2.029 m/s

Explanation:

Given

L = 84.0 cm   ⇒  R = 0.5*L = 0.5*84 cm = 42 cm = 0.42 m

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m₂ = 0.200 kg

g = 9.8 m/s²

u₁ = u₂ = 0 m/s

v₁ = ?

v₂ = ?

Due to gravity, the bar oscillates and becomes vertical. The mass that occupies the lower position is the one with the highest torque. The one that reduces the potential energy (the system tends to the position of minimum energy). This is achieved if the mass that goes down is 0.6kg (that goes down 42cm) and the one that goes up is 0.2kg (goes up 42cm).

In this system mechanical energy is conserved, so we can match its value in the horizontal position with the one in the vertical.

then

Ei = Ki + Ui = 0.5*(m₁+m₂)*(0)² + (m₁+m₂)*9.8*(0) = 0 J

Ef = Kf + Uf

⇒ Kf = 0.5*(m₁+m₂)*v² = 0.5*(0.6+0.2)*v² = 0.4*v²

⇒ Uf = m₁*g*h₁ + m₂*g*h₂ = 0.6*9.8*(-0.42) + 0.2*9.8*0.42 = - 1.6464

⇒ Ef = Kf + Uf = 0.4*v² - 1.6464

Since

0 = 0.4*v² - 1.6464  ⇒  v = 2.029 m/s

v is the same value due to the wooden rod is pivoted about a horizontal axis through its center and the masses are on opposite ends.

v₁ = v₂ = v    ⇒  ω₁*R₁ = ω₂*R₂  ⇒ ω₁*R = ω₂*R  ⇒ ω₁ = ω₂ = ω

⇒ v = ω*R

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3 years ago
Based on the most widely accepted scientific explanation, elements began to form shortly after the big bang. Which of the follow
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Big Bang is a theory that, as stated above, has grown to become widely acceptable scientific explanation of the origin of things. Research would say that according to this theory, the Earth originated billion years ago through an explosive of a highly energized point.

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A small drop of water is suspended motionless in air by a uniform electric field that is directed upward and has a magnitude of
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Replacing,

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