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BARSIC [14]
4 years ago
7

A cube with sides of area 48 cm^2 contains a 28.7 nanoCoulomb charge. Find the flux of the electric field through the surface o

f the cube in unis of Nm^2/C.
Please conceptually explain this question answer to me! Thanks!!
Physics
1 answer:
Anuta_ua [19.1K]4 years ago
5 0

Answer:

The flux of the electric field through the surface is 3.24\times10^{3}\ Nm^/C[/tex].

Explanation:

Given that,

Area of cube = 48 cm²

Charge = 28.7 nC

We need to calculate the flux of the electric field through the surface

Using formula Gauss's law

The electric flux through any closed surface,

\phi =\dfrac{q}{\epsilon_{0}}

Where, q = charge

Put the value into the formula

\phi=\dfrac{28.7\times10^{-9}}{8.85\times10^{-12}}

\phi =3.24\times10^{3}\ Nm^/C

Hence, The flux of the electric field through the surface is 3.24\times10^{3}\ Nm^/C[/tex].

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What is the reversal experienced by an image formed in a plane mirror called?
Lerok [7]

Answer:

Lateral inversion

Explanation:

When an object is placed in front of a plane mirror, the appearance of the object on the plane mirror appears as a reversal of the object. This effect is known as lateral inversion.

Lateral inversion occurs as a result of the fact that light is reflected by a plane mirror. The image formed by the plane mirror is as far behind the mirror as the object is in front of it. Hence lateral inversion occurs because of the way our brains perceive images on a plane mirror. The mirror image of symmetrical letters and objects do not show lateral inversion.

4 0
4 years ago
Two measurments that are the same as each other are called_____?<br><br><br> What are they called???
Softa [21]

Precision refers to the closeness of two or more measurements to each other. Using the example above, if you weigh a given substance five times, and get 3.2 kg each time, then your measurement is very precise. Precision is independent of accuracy.

8 0
3 years ago
the graph below shows the motion of an object over a certain period of time. various intervals of time are depicted by letters.
MA_775_DIABLO [31]

Answer:

Options (C) and (F).

Explanation:

Constant speed of an object is represented by the flat segment (a line parallel to the x-axis) on the graph of velocity and time.

In other words, flat segments represents no change in the velocity with respect to the time.

From the graph attached,

Being flat segments, C and F will represent the constant speed.

Therefore, Options (C) and (F) will be the correct options.

8 0
3 years ago
A 0.58 kg mass is moving horizontally with a speed of 6.0 m/s when it strikes a vertical wall. The mass rebounds with a speed of
Sunny_sXe [5.5K]

Answer:

5.8\; {\rm kg\cdot m \cdot s^{-1}}.

Explanation:

If the mass of an object is m and the velocity of that object is v, the linear momentum of that object would be m\, v.

Assume that the initial velocity of the mass is positive (6.0\; {\rm m\cdot s^{-1}}.) However, the direction of the velocity is reversed after the impact. Thus, the sign of the new velocity of the object would be negative- the opposite of that of the initial velocity. The new velocity would be (-4.0\; {\rm m\cdot s^{-1}}).

Thus, the change in the velocity of the mass would be:

\begin{aligned}& (\text{Change in Velocity}) \\ =\; & (\text{Final Velocity}) - (\text{Initial Velocity}) \\ =\; & (-4.0\; {\rm m\cdot s^{-1}}) - (6.0\; {\rm m\cdot s^{-1}}) \\ =\; & (-10\; {\rm m\cdot s^{-1})\end{aligned}.

The change in the linear momentum of the mass would be:

\begin{aligned} & \text{change in momentum} \\ =\; & (\text{mass}) \times (\text{change in velocity}) \\ =\; & 0.58\; {\rm kg} \times (-10\; {\rm m\cdot s^{-1}}) \\  =\; & (-5.8\; {\rm kg \cdot m \cdot s^{-1}})\end{aligned}.

Thus, the magnitude of the change of the linear momentum would be 5.8\; {\rm kg \cdot m \cdot s^{-1}}.

7 0
3 years ago
true or false: as negative thundercloud passes over the city it drives electrons deep into the earth leaving a surface positive.
11Alexandr11 [23.1K]
The answer is m o s t defiantly false good man <span />
3 0
3 years ago
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