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Mama L [17]
3 years ago
10

EASY! WILL REWARD BRAINLIEST!

Physics
1 answer:
lesya692 [45]3 years ago
6 0

Electrical current is defined as the flow of electric charge per unit time.

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Calculate the induced electric field in a 54-turn coil with a diameter of 19.5 cm that is placed in a spatially uniform magnetic
storchak [24]

Answer:

E = 3.049 N/C

Explanation:

Induced electric field = e/2 *(pi) *r

Induced electric field = e /(3.14 *19.5)  - Eq (1)

e = (pi)r^2*B/t

= 3.14 * (19.5/2*100)^2 * 0.50 T/ 0.1

= 1.867 V

Substituting this value in equation 1, we get –  

E = 1.867 V/(3.14 *19.5/100)  

E = 3.049 N/C

4 0
3 years ago
A car rolls backward from -2 to -10 m/s in 4 seconds. what is the acceleration. PLEASE HELP WILL GIVE BRAINLIEST
pashok25 [27]

\bf \underline{Given : }

  • Initial velocity,u = -2 m/s

  • Final velocity,v = -10 m/s

  • Time taken, t = 4 seconds

\bf \underline{To  \: find  \: out : }

Find the acceleration ( a ) .

\bf \underline{Solution : }

We know that,

\sf \: Acceleration =  \dfrac{v - u}{t}

Substituting the values in the above formula, we get

\implies \sf \: Acceleration =  \dfrac{ - 10 - ( - 2)}{4}

\implies\sf \: Acceleration =  \dfrac{ - 10 + 2}{4}

\implies \sf \: Acceleration = \cancel  \dfrac{ - 8}{4}

\implies\sf \: Acceleration =  - 2 \: ms {}^{ - 2}

Hence,the acceleration of a body is -2 m/s².

5 0
4 years ago
Where is the hearts ventricles
balandron [24]
The left ventricle is one of the four chambers of the heart. it’s located in the bottom left portion of the heart below the atrium, separated by the mitral valve. i learned this a while back but i hope i could help! :)
8 0
3 years ago
The force that one surface exerts on another when the two rub against each other is called
Alex777 [14]
1. Friction (Example: when you rub your hands together and you start to feel heat.)

2. Attract each other. (Example: Every object has a gravitational pull of some sort. The larger the object, the stronger the gravitational pull. This is why the sun is able to keep all eight planets in orbit around it.)

3. Hope this helped :)
7 0
3 years ago
What is the energy of photons emitted by the led at a frequency of 610 thz mcat?
Ksju [112]

The photon energy is the energy carried by a single proton.

The equation used for calculating photon energy is:

E = hc / λ

where h = Planck constant 

c  = speed of light and

λ = wavelength of photon

frequency = f = c / λ

replace c /λ with f in the equation of photon energy

E = hf

frequency = 610 thz = 6.1 x 10¹⁴hz

h = 6.26 x 10⁻³⁴ js

E = 6.26 x 10⁻³⁴ x 6.1 x 10¹⁴

<span>E = 3.8 x 10</span>⁻¹⁹ j

4 0
3 years ago
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