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exis [7]
2 years ago
15

Electricity and magnetism

Physics
1 answer:
stellarik [79]2 years ago
6 0

Answer:

Electricity is which is possessed by the flow of electrons.

Magnitism is the process in which the magnet attract the things which consist magnetic substance.

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Phantasy [73]

Answer:

Explanation:

lll

5 0
3 years ago
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Students can take the aspire test in ninth and grade
Simora [160]

<em>The answer is </em>Ninth <em>and </em>Tenth <em>grade so the answer would be</em> B

<em>I hope this helps you </em>


3 0
3 years ago
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Determine la inercia rotacional de una varilla de 4 m de largo y 2 Kg de mesa si su eje de rotación esta situado a la mitad de l
Maslowich

Answer:

   I = 2.667 kg m²

Explanation:

The moment of inertia of a body can be calculated by the expression

         I = ∫ L² dm

For high symmetry bodies the expressions of the moment of inertia are tabulated, for a rod with its axis of rotation at its midpoint it is

         I = \frac{1}{12} m L²

let's calculate

         I = \frac{1}{12}  2  4²

         I = 2.667 kg m²

8 0
3 years ago
The broad, slightly dome-shaped volcanoes of Hawaii are
svet-max [94.6K]

Answer:

Shield volcanoes

Explanation:

4 0
3 years ago
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What is the longest wavelength of light that will emit electrons from a metal whose work function is?
alexdok [17]
 Best Answer:<span>  </span><span>hf = work function + KE 
However if you are looking at the max wavelength (or threshold frequency) then there will only be just enough energy for the photoelectrons to be liberated, hence their KE will be 0. 
So hf = work function 
convert eV to joules, 2.4 x (1.6 x 10^-19) = 3.84 x 10^-19 
therefore, hf = 3.84 x 10^-19 
f = 3.84 x 10^-19 / planck's constant which is 6.63 x 10^-34 
f = 5.79 x 10^14 Hz 
c = frequency x wavelength, 
wavelength = speed of light/frequency 
= (3x10^8)/(5.79x10^14) 
=5.18 x 10^-7 metres</span>
6 0
3 years ago
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