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raketka [301]
3 years ago
14

Kilos pa iskapi halimbawa​

Physics
2 answers:
Firlakuza [10]3 years ago
7 0
Answer:

Step by step explanation:
kvv77 [185]3 years ago
7 0

Answer:

fb mb db gf adv ng dc n db ng d

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An 800-kHz radio signal is detected at a point 2.7 km distant from a transmitter tower. The electric field amplitude of the sign
dimaraw [331]

Answer:

Option D is correct: 170 µW/m²

Explanation:

Given that,

Frequency f = 800kHz

Distance d = 2.7km = 2700m

Electric field Eo = 0.36V/m

Intensity of radio signal

The intensity of radial signal is given as

I = c•εo•Eo²/2

Where c is speed of light

c = 3×10^8m/s

εo = 8.85 × 10^-12 C²/Nm²

I = 3×10^8 × 8.85×10^-12 × 0.36²/2

I = 1.72 × 10^-4W/m²

I = 172 × 10^-6 W/m²

I = 172 µW/m²

Then, the intensity of the radio wave at that point is approximately 170 µW/m²

7 0
3 years ago
Helppppp please thanks
VikaD [51]

Answer:

It represents battery

8 0
3 years ago
Read 2 more answers
Which is true about surface waves?
posledela
I think the answer is A 
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im not the best with physics but i think its right 
3 0
3 years ago
Read 2 more answers
1. A tree is making a 12 m shadow on the ground, the angle of elevation is 30 degrees, what is the height of the tree?
makvit [3.9K]

Answer:

6.93m

Explanation:

Using the method of SOH CAH TOA

The base of the tree is 12m which is the adjacent side of the triangle to be generated, the height of the tree will be facing the angle of elevation and it is the opposite side.

Using the formula tan(theta) = Opposite/Adjacent

Given theta = 30°

Adjacent is 12m which is the distance the tree is making with the shadow on the ground

Opposite side will be the height of the tree.

Tan(theta) = height/12

Tan30° = height/12

Height = 12tan30°

Height = 6.93m

Therefore the height of the tree is 6.93m

8 0
3 years ago
Read 2 more answers
On a dry winter day, you scuff your leather-soled shoes across a carpet and get a shock when you extend the tip of one finger to
damaskus [11]

Therefore electric potential is V = 15000V.

What is electric potential?

The amount of labor required to convey a unit of electric charge from a reference point to a given place in an electric field is known as the electric potential (also known as the electric field potential, potential drop, or the electrostatic potential).

length of sparks d = 5 mm = 5 x 10^-2 m

(a) It is possible to find average values for the skin's surface and the electric field in dry air from outside sources. Electric field and spark length can be used to determine electric potential.

V = E.d

V = 15000V

To learn more about electric potential click on the link below:

brainly.com/question/23980243

#SPJ4

5 0
2 years ago
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