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2 years ago

The following table shows the seasons experienced by four different locations on Earth during four different months of the year.

2 answers:

muminat2 years ago

5 0

Part 1: The Southern Hemisphere is where you would most likely find these four locations.

Part 2: You would most likely find these locations in the Southern Hemisphere because in the Northern Hemisphere, they have the opposite season as the southern. An example would be when the northern hemisphere has winter, the southern hemisphere would have summer. The main reason why this happens is because of earth’s axis, while it rotates around the sun it also spins and tilts on its axis, the spin gives us day and night while the tilt gives us seasons.

11Alexandr11 [23.1K]2 years ago

3 0

Answer:

Part 1: Southern Hemisphere

Part 2: Seasons occur due to the tilt of the axis of the Earth.

Explanation:

Earth revolves around the Sun. Its orbit is nearly circular. Seasons occur on earth due to the tilt of the axis (23.5°). Due to tilt, sometimes northern hemisphere points towards the sun and sometimes away. The hemisphere which points towards the sun experiences summer and the one away experiences winter. In December, southern hemisphere points towards the sun and hence has summers and winters in June.

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Find the magnitude of the electric field due to a charged ring of radius "a" and total charge "Q", at a point on the ring axis a

34kurt

Answer:

E= $\frac{KQ}{2\sqrt 2a^2}$

Explanation:

We are given that

Charge on ring= Q

Radius of ring=a

We have to find the magnitude of electric filed on the axis at distance a from the ring's center.

We know that the electric field at distance x from the center of ring of radius R is given by

$E=\frac{kQx}{(R^2+x^2)^{\frac{3}{2}}}$

Substitute x=a and R=a

Then, we get

$E=\frac{KQa}{(a^2+a^2)^{\frac{3}{2}}}$

$E=\frac{KQa}{(2a^2)^{\frac{3}{2}}}$

$E=\frac{KQa}{2\sqrt 2a^3}$

$E=\frac{KQ}{2\sqrt 2a^2}$

Where K= $9\times 10^9 Nm^2/C^2$

Hence, the magnitude of the electric filed due to charged ring on the axis of ring at distance a from the ring's center= $\frac{KQ}{2\sqrt 2a^2}$

4 0

2 years ago

A school bus takes 0.530 h to reach the school from your house. If the average velocity of the bus is 19.0 km/h to the east, wha

kifflom [539]

Answer:

$x_{distance}=10.07km$

Explanation:

Given data

time=0.530 h

Average velocity Vavg=19.0 km/s

To find

Displacement Δx

Solution

The Formula for average velocity is given as

$V_{avg}=(x_{distance} )/(t_{time} )\\ x_{distance}=V_{avg}*(t_{time} )\\x_{distance}=(19.0km/h)*(0.530h)\\x_{distance}=10.07km$

3 0

3 years ago

What are the advantages and disadvantages of series and parallel circuits?

DerKrebs [107]

Parallel circuit

Advandages: 1. Every unit that is connected in a parallel circuit gets equal amount of voltage.

2. It becomes easy to connect or disconnect a new element without affecting the working of other elements.

3. If any fault happened to the circuit, then also the current is able to pass through the circuit through different paths.

Disadvantages: 1. It requires the use of lot of wires.

2. We cannot increase or multiply the voltage in a parallel circuit.
3. Parallel connection fails at the time when it is required to pass exactly same amount of current through the units.

series circuit

Advantages: 1. Series circuits do not overheat easily. This makes them very useful in the case of something that might be around a potentially flammable source, like dry plants or cloth.

2. Series circuits are easy to learn and to make. Their simple design is easy to understand, and this means that it’s simple to conduct repairs .

3. we can add more power devices, they have a higher output in terms of voltage .

4. The current that flows in a series circuit has to flow through every component in the circuit. Therefore, all of the components in a series connection carry the same current.

Disadvantages: 1.If one point breaks in the series circuit,the total circuit will break.

2. As the number of components in a circuit increases ,greater will be the circuit resistance.

6 0

2 years ago

1) An ice skater with a moment of inertia of 2.2 kg m^2 rotates at a frequency of 0.8 rotations per second. The ice skater tucks

trapecia [35]

Answer:

Explanation:

2.3 kg·m/s²

4 0

2 years ago

How many cm are in 900 feet? Using the method of dimensional analysis

Ne4ueva [31]

1 foot = 30.48 cm

(x900) (x900)

900 feet = 27432 cm

Pls give me a brainliest if this helped thx

3 0

2 years ago