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4 years ago

Que representa la educación física desde sus distintas disciplinas o enfoques

Physics

1 answer:

Elan Coil [88]4 years ago

4 0

Answer:

Human life consists of four aspects: the physical, mental, emotional and spiritual levels of existence.

La vida humana consta de cuatro aspectos: los niveles de existencia físico, mental, emocional y espiritual.

Explanation:

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two parallel plates of area 5.68*10^-4 m^2 have equal and opposite charges of 8.38*10^-11 C placed on them. what is the electric

shutvik [7]

Answer: unit n/c

Explanation: This should be the answer because I just asked my Physics Teachers I hope this is correct

Hope This Helps :)

4 0

3 years ago

Read 2 more answers

a disk with a radius of 0.1 m is spinning about its center with a constant angular speed of 10 rad/sec. What are the speed and m

padilas [110]

The speed of the bug at the rim of the circular disk is $\boxed{1\,{{\text{m}} \mathord{\left/{\vphantom {{\text{m}} {\text{s}}}} \right.\kern-\nulldelimiterspace} {\text{s}}}}$ and the acceleration of the bug is $\boxed{10\,{{\text{m}} \mathord{\left/{\vphantom {{\text{m}} {{{\text{s}}^{\text{2}}}}}} \right.\kern-\nulldelimiterspace} {{{\text{s}}^{\text{2}}}}}}$ .

Further Explanation:

Given:

The angular velocity of the disk is $10\,{{{\text{rad}}} \mathord{\left/{\vphantom {{{\text{rad}}} {\text{s}}}} \right.\kern-\nulldelimiterspace} {\text{s}}}$ .

The radius of the circular disk is $0.1\,{\text{m}}$ .

Concept:

The linear speed of the bug present at the rim of the circular disk is given by.

$v = r \times \omega$

Here, $v$ is the linear speed, $r$ is the radius of the disk and $\omega$ is the angular speed of the disk.

Substitute $0.1\,{\text{m}}$ for $r$ and $10\,{{{\text{rad}}} \mathord{\left/{\vphantom {{{\text{rad}}} {\text{s}}}} \right.\kern-\nulldelimiterspace} {\text{s}}}$ for $\omega$ in above expression.

$\begin{aligned}v &= 0.1\,{\text{m}} \times 10\,{{{\text{rad}}} \mathord{\left/{\vphantom {{{\text{rad}}} {\text{s}}}} \right. \kern-\nulldelimiterspace} {\text{s}}} \\&= 1\,{{\text{m}} \mathord{\left/{\vphantom {{\text{m}} {\text{s}}}} \right.\kern-\nulldelimiterspace} {\text{s}}} \\\end{aligned}$

The magnitude of the centripetal acceleration of the bug cling to the rim of the disk is given as.

${a_c} = \dfrac{{{v^2}}}{r}$

Substitute $1\,{{\text{m}} \mathord{\left/{\vphantom {{\text{m}} {\text{s}}}} \right.\kern-\nulldelimiterspace} {\text{s}}}$ for $v$ and $0.1\,{\text{m}}$ for $r$ in above equation.

$\begin{aligned}a_c&=\dfrac{(1\text{m/s})^2}{0.1\text{m}}\\&=\frac{1}{0.1}\text{m/s}^2\\&=10\,\text{m/s}^2\end{aligned}$

Thus, the speed of the bug at the rim of the circular disk is $\boxed{1\,{{\text{m}} \mathord{\left/{\vphantom {{\text{m}} {\text{s}}}} \right.\kern-\nulldelimiterspace} {\text{s}}}}$ and the acceleration of the bug is $\boxed{10\,{{\text{m}} \mathord{\left/{\vphantom {{\text{m}} {{{\text{s}}^{\text{2}}}}}} \right.\kern-\nulldelimiterspace} {{{\text{s}}^{\text{2}}}}}}$ .

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Answer Details:

Grade: College

Chapter: Uniform Circular motion

Subject: Physics

Keywords: Circular disk, circular motion, angular speed, linear speed, bug clinging, rim of the disk, acceleration, magnitude, constant, rad/s.

7 0

3 years ago

Read 2 more answers

How would be best to find a scientific law? A) Generalized rule to explain a body of observations.

lord [1]

Answer:

In general, a scientific law is the description of an observed phenomenon. It doesn't explain why the phenomenon exists or what causes it. The explanation of a phenomenon is called a scientific theory

5 0

3 years ago

Give an example of a situation in which you would describe an object's position in one dimension two dimensions three dimension

murzikaleks [220]

One dimension:
I'm waiting patiently for the elevator. What floor is it on now ?

Two dimensions:
What's the address of your house ?
Where do you want this picture hung on your bedroom wall ?
Where is the Maersk Skokie supertanker located today ?
Where are your rooks and pawns on the chessboard ?

Three dimensions:
I'm waiting at the airport for my brother to arrive.
He's on Flight AC3715.
Where is the flight located right now ?

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3 years ago

A uniform cylinder of radius 10 cm and mass 20 kg is mounted so as to rotate freely about a horizontal axis that is parallel to

fomenos

Answer:

a. 0.15 kg m2

b. 19.8 rad/s

Explanation:

Metric unit conversion:

10 cm = 0.1 m

5 cm = 0.05 m

a. Using parallel axis theorem, the rotational inertia of the cylinder about the axis of rotation is the inertia about the longitudinal axis plus the product of mass and distance from the longitudinal axis to the rotational axis squared

$I = I_L + md^2$

whereas the inertia about the longitudinal axis of the solid cylinder is

$I_L = mr^2/2 = 20*0.1^2/2 = 0.1 kgm^2$

$md^2 = 20*0.05^2 = 0.05 kgm^2$

$I = I_L + md^2 = 0.1 + 0.05 = 0.15 kg m^2$

b. Assume the cylinder does not rotate about its own longitudinal axis, we can treat this as a point mass pendulum. So when it's being released from 0.05m high (release point) to 0m (lowest position), its potential energy is converted to kinetic energy:

$E_p = E_k$

$mgh = mv^2/2$

where h = 0.05 is the vertical distance traveled, v is the cylinder linear velocity at the lowest position.g = 9.81m/s2 is the gravitational acceleration.

We can divide both sides by m

$gh = v^2/2$

$v^2 = 2gh = 2*9.81*0.05 = 0.981$

$v = \sqrt{0.981} = 0.99 m/s$

The angular speed is linear speed divided by the radius of rotation, which is distance from the cylinder center to the center of rotation d = 0.05 m

$\omega = \frac{v}{d} = \frac{0.99}{0.05} = 19.8 rad/s$

5 0

3 years ago