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maksim [4K]
3 years ago
11

Electrons are important to electric current because they are able to

Physics
1 answer:
Agata [3.3K]3 years ago
4 0
Electrons are important to the electric current because they are able to move from one atom to another. When an atom loses an electron, it becomes positively charged and when an atom gains an electron, it becomes negatively charged.
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A torsional pendulum consists of a disk of mass 450 g and radius 3.5 cm, hanging from a wire. If the disk is given an initial an
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To solve this problem we will use the kinematic equations of angular motion, starting from the definition of angular velocity in terms of frequency, to verify the angular displacement and its respective derivative, let's start:

\omega = 2\pi f

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\omega = 5\pi rad/s

The angular displacement is given as the form:

\theta (t) = \theta_0 cos(\omega t)

In the equlibrium we have to t=0, \theta(t) = \theta_0 and in the given position we have to

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Derived the expression we will have the equivalent to angular velocity

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Replacing,

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Finally

\theta_0 = \frac{2.7}{5\pi}rad = 9.848\°

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