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Dovator [93]
3 years ago
9

Can u show me were these go on the picture:

Physics
1 answer:
PIT_PIT [208]3 years ago
7 0

Answer:

Here u go

Explanation:

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Why is it less air pressure up in the sky and why does it affect our ears
IgorLugansk [536]

Answer:

When you in a airplane you are in high altitude and thats where air density drops. Thats where ear pops come from.

Explanation:

8 0
2 years ago
A copper transmission cable 180 km long and 11.0 cm in diameter carries a current of 135 A.
zheka24 [161]

Answer:

a) 43.98 V

b) E = 21.37 MJ

Explanation:

Parameters given:

Length of cable = 180 km = 180000 m

Diameter of cable = 11 cm = 0.11 m

Radius = 0.11 / 2 = 0.055 m

Current, I = 135 A

a) To find the potential drop, we have to find the voltage across the wire:

V = IR

=> V = IρL / A

where R = resistance

L = length of cable

A = cross-sectional area

ρ = resistivity of the copper wire = 1.72 * 10^(-8) Ωm

Therefore:

V = (135 * 1.72 * 10^(-8) * 180000) / (π * 0.055^2)

V = 43.98 V

The potential drop across the cable is 43.98 V

b) Electrical energy is given as:

E = IVt

where t = time taken = 1 hour = 3600 s

Therefore, the energy dissipated per hour is:

E = 135 * 43.98 * 3600

E = 21.37 MJ (mega joules, 10^6)

7 0
3 years ago
If a car is traveling 27 meters in 3 seconds, what is its speed?
KIM [24]
9 because speed=distance/ time
5 0
3 years ago
Fill in the blanks<br>a. Work is assosiated with ___________ and _________ .​
Kitty [74]

Answer: Job and career

Explanation:

Work is associated with job and career. If somebody is having a great career and if somebody wants a great career he will look for a job that is fitting his career and in that way, he will work for it to have an even better career which will bring him a better job.

3 0
3 years ago
An olympic swimming pool is approximately 88,263 ft3. how many cubic meters (m3) is this? assume there are 3.28 ft in 1 meter.
TiliK225 [7]

There are 2501.3m³ in 88,263 ft³ the Olympic swimming pool.

<h3>What is geometry?</h3>

Along with arithmetic, geometry is one of the oldest subfields of mathematics. It is concerned with spatial characteristics like the separation between objects, their shape and size, and their relative positions. Geometer is the term used to describe a mathematician who specializes in geometry.

<h3>What exactly does geometry in physics mean?</h3>

The area of mathematics known as geometry is concerned with the characteristics of the surrounding environment as well as the shapes of particular objects and their spatial relationships.

<h3>According to the given information:</h3>

swimming pool is approximately 88,263 ft³

assume there are 3.28 ft in 1 meter.

Now ,

Given that :

3.28ft = 1m

1 ft = 1/(3.28)m

So,

1 ft = (1/3.28)³m³

88,263 ft³ = 88263/(3.28)³

                = 2501.3m³

There are 2501.3m³ in the Olympic swimming pool.

To know more about geometry visit:

brainly.com/question/1578538

#SPJ4

3 0
2 years ago
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