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UNO [17]
3 years ago
9

Name the atomic models shown here in the correct order: Please please please heeelp

Physics
1 answer:
slava [35]3 years ago
6 0

Answer:

ITS OPTION B...

AS THOMAS HAS GIVEN THE DIAGRAM IN WHICH THE NUCLEUS LOOKS LIKE THEY EMBEDDED IN IT...LIKE SEEDS IN WATERMELON /CHRISTMAS PUDDING

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At what speed, as a fraction of c, does a moving clock tick at four fifth the rate of an identical clock at rest?
ololo11 [35]

Answer:

The seed as a fraction of the speed of light is \frac{3}{5}c

Solution:

As per the question:

Suppose, t_{i} be the rate of an identical clock between two time intervals.

For a moving clock, moving with velocity 'v', at the clock tick of four-fifth:

t = \frac{5}{4}t_{i}

Now,

Using the relation of time dilation, from Einstein's relation:

t = \frac{t_{i}}{\sqrt{1 - \frac{v^{2}}{c^{2}}}}

\frac{5}{4}t_{i} = \frac{t_{i}}{\sqrt{1 - \frac{v^{2}}{c^{2}}}}

Squaring both sides:

(\frac{5}{4})^{2} = (\frac{1}{\sqrt{1 - \frac{v^{2}}{c^{2}}}})^{2}

\frac{25}{16} = \frac{1}{{1 - \frac{v^{2}}{c^{2}}}}

1 - \frac{16}{25} = \frac{v^{2}}{c^{2}}

\frac{v}{c} = \sqrt{\frac{9}{25}}

\frac{v}{c} = \frac{3}{5}

v = \frac{3}{5}c

6 0
3 years ago
1. Draw magnetic field (B field) line diagrams for the following. Make sure the diagrams are large enough so the direction and s
larisa [96]

I attached the requested diagram.

<em>In the case of the magnetic field in a bar</em> by convention, the direction of the field is taken out of the north pole and towards the south pole of the magnet. These types of images are commonly made of some ferrous material.

<em>In the case of the horseshoe </em>magnet, the highly concentrated magnetic field is distinguished between its legs. In the figure it is shown in a contribution from North to South, again by agreement, however outside the two poles, the magnetic field falls rapidly. A horseshoe magnet is basically a bent bar magnet.

4 0
3 years ago
how many days does it take a team of drivers to drive a truck california and back to lansing if the drivers average 15m/s includ
malfutka [58]

4days and 12hours

Explanation:

Given parameters:

Average speed  = 15m/s

Distance = 1800 miles

Unknown:

Number of days = ?

Solution:

Speed is the rate of change of distance with time;

          Speed = \frac{distance}{time}

Since the unknown is number of days, it is a measure of time:

    Time = \frac{distance }{speed}

The distance from California to Lansing is 1800miles. The journey takes the truck drivers to and fro. It is a two way trip;

 Total distance = 1800 miles x 2 = 3600miles

We need to convert miles to meters since that is the unit we can conveniently work with;

            1 mile = 1609.34m

          3600 miles =  3600 x 1609.34

                              = 5793638m

Inputting the values in the equation:

          Time = \frac{ 5793638}{15} = 386242.53s

Now we need to convert to day;

In a day, = 60 x 60 x 24 = 86,400s

                 1 day = 86400s

 Therefore;

  The number of days = \frac{386242.53}{86400} = 4.47days

This implies that it will take them 4 days and approximately 12 hours.

learn more:

speed brainly.com/question/10048445

#learnwithBrainly

7 0
3 years ago
The Sun's declination is 0° at the _________. A. summer and winter solstice B. summer and winter equinox C. vernal and autumnal
Olegator [25]

-- "Declination zero" means the object is in the sky at some point directly over the Earth's equator.  

-- If it's the sun and it appears to be over the equator, then that tells us that the Earth's axis is not tilted toward or away from it.  

-- That in turn tells us that the Earth is at one of the two equinoxes in its orbit, either the Spring one or the Autumn one. <em> (D)</em>

-- (The first days of Summer and Winter coincide with solstices, not equinoxes.)  

5 0
3 years ago
Read 2 more answers
100 Points !!!!!!!! I WILL GIVE BRAINLIEST
kumpel [21]

Answer: 1. 0.25 m/s squared

2. A = 0.4 m/s^2

3.=20kg. I did this before.

Explanation:

3 0
3 years ago
Read 2 more answers
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