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3 years ago

The ____ value of the overflow style keeps the element at the specified height and width, but cuts off excess content.

2 answers:

7 0

The appropriate response is hidden values in accordance with the overflow property. Hidden values can be as resources, for example, licenses, trademarks, or underestimated land. Financial specialists who are esteem arranged will frequently attempt to recognize an organization's hidden values.

navik [9.2K]3 years ago

4 0

Answer:

The correct answer is A. The hidden value of the overflow style keeps the element at the specified height and width, but cuts off excess content.

Explanation:

Hidden variable theories are interpretations of quantum physics, which means that a quantum mechanical system cannot be fully described by a wave function, but at least one additional variable is needed.

Hidden values would give unambiguous value to the properties of a quantum mechanical particle - position, amount of motion and energy - whether observed or not. During the evolution of quantum physics, hidden variables were advocated by, among others, Albert Einstein, but today, especially after the presentation of Bell's theorem, they have weak support among physicists. The only such theory that is still minimally shown with interest is Bohemian mechanics, which uses non-local hidden variables.

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A 50.0 kg piece of rock slides down the side of Mt. Etna. That part of the volcano slopes up at 30.0° (from the horizontal). If

vesna_86 [32]

Answer:

0.224

Explanation:

There are two forces acting on the rock along the direction parallel to the slope:

- The component of the weight parallel to the slope, down, given by

$mg sin \theta$

where

m = 50.0 kg is the mass of the rock

$g=9.8 m/s^2$ is the acceleration of gravity

$\theta=30^{\circ}$ is the angle of the slope

- The force of friction, up along the slope, given by

$F_f=\mu R$

where

$\mu$ is the coefficient of friction

R is the normal reaction

So the equation of the forces along the direction parallel to the slope is

$mg sin \theta - \mu R = ma$ (1)

where

$a=3.0 m/s^2$ is the acceleration

The normal reaction R can be found by looking at the equation of the forces along the direction perpendicular to the slope: in fact, we have that R balances the component of the weight perpendicular to the slope, so

$R=mg cos \theta$

And substituting into (1)

$mg sin \theta - \mu mg cos \theta = ma$

And solving for $\mu$ , we find the coefficient of friction:

$\mu = \frac{g sin \theta -a}{g cos \theta}=\frac{(9.8)(sin 30)-3.0}{(9.8)(cos 30)}=0.224$

7 0

4 years ago

What is the force of impact of a 100 kg diver who falls into a swimming pool and hits the surface of the water and comes to a st

Simora [160]

Answer:

F = 53153.36[N]

Explanation:

In order to solve this problem, we must first use the principle of conservation of energy which is transformed from potential energy to kinetic, in this way we can determine the velocity at which the person enters the water.

$E_{pot}=E_{kin}\\m*g*h=\frac{1}{2}*m*v^{2}$

where:

m = mass = 100 [kg]

g = gravity acceleration = 9.81 [m/s²]

h = elevation = 9 [m]

v = velocity [m/s]

Now replacing we can determinate the velocity.

$v^{2}=2*g*h\\v=\sqrt{2*g*h}\\v=\sqrt{2*9.81*9}\\v = 13.28[m/s]$

Then we can calculate the momentum which can be calculated as the product of force by time, this momentum is also equal to the product of mass by velocity.

$P=m*v\\and\\P =F*t\\F*t=m*v$

Now replacing:

F = impact force [N]

t = time = 0.025 [s]

m = 100 [kg]

v = velocity = 13.28 [m/s]

$F*0.025=100*13.28\\F=53153.36[N]$

8 0

3 years ago

A beam of protons is directed in a straight line along the positive zz ‑direction through a region of space in which there are c

Zinaida [17]

Answer:

The magnitude is $B = \frac{450}{7.9* 10^5}$

The direction is the positive x axis

Explanation:

From the question we are told that

The electric field is E = 450 V/m in the negative y ‑direction

The speed of the proton is $v= 7.9* 10^5\ m/s$ in the positive z direction

Generally the overall force acting on the proton is mathematical represented as

$F_E = q(\vec E + \vec v * \vec B)$

Now for the beam of protons to continue un-deflected along its straight-line trajectory then $F_E =0$

$0 = q( E (-y) + v(z) * \vec B)$

=> $E\^y = v \^ z * \vec B$

Generally from unit vector cross product vector multiplication

$\^ z \ * \ \^ x = \^ y$

So the direction of B (magnetic field must be in the positive x -axis )

$E\^y = v \^ z * B\^ x$

=> $E\^y = vB ( \^ z * \^ x)$

=> $E\^y = vB ( \^y)$

=> $E = vB$

=> $B = \frac{450}{7.9* 10^5}$

=> $B = 0.0005696 \ T$

6 0

4 years ago

A current of 5.0 a flows through an electrical device for 10 seconds. how many electrons flow through this device during this ti

melisa1 [442]

1 Amp = 1 Coulomb/sec
1 Coulomb/sec = 6.25*10^18 electrons/sec

Therefore,
5.0 A = 5 C/s = 5*6.25*10^18 = 3.125*10^19 e/s

In 10 second, number of electrons are calculated as;
Number of electrons through the device = 3.125*10^19*10 = 3.125*10^20 electrons

4 0

4 years ago

What is the formula to calculate acceleration

yan [13]

Explanation:

 your formula is here 

hope it's helps u

6 0

3 years ago

Read 2 more answers