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podryga [215]
4 years ago
9

Why do our bodies age?

Physics
1 answer:
marysya [2.9K]4 years ago
4 0
When our body reduces Collagen with ageing then, our bodies get aged
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Light____.
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Answer:

b

Explanation:

light does not need a medium

it is refracted

Light is made up of little packets of energy called photons.

electromagnetic waves

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A parallel plate capacitor is constructed with a dielectric slab with κ = 1.5 inserted between the plates. The area of each plat
maksim [4K]

Answer:

The value is V =  4.533  \  V

Explanation:

From the question we are told that

The dielectric constant is k = 1.5

The area of each plate is A =  5 \ cm^2 = 0.0005 m^2

The distance between the plates is d= 1 \  mm  =  0.001 \  m

The charge on the capacitor is Q =  6*10^{-11} \  C

Generally the electric field in a vacuum is mathematically represented as

E_o  =  \frac{V_o}{d}

Generally V_o is the voltage of the capacitor which is mathematically represented as

V_o =  \frac{Q}{C_o}

Here C_o is the capacitance of the capacitor in a vacuum which is mathematically represented as

C_o =  \frac{\epsilon_o * A}{d}

Here epsilon_o is a constant with value epsilon_o= 8.85*10^{-12} C^2 \cdot N^{-1} \cdot m^{-2}

=> C_o =  \frac{8.85*10^{-12} * 0.0005 }{0.001}

=> C_o =  4.425 *10^{-12}  \  F

So

V_o =  \frac{6*10^{-11} }{  4.425 *10^{-12}}

V_o =  13.6 \  V

So

E_o  =  \frac{ 13.6}{0.001}

=> E_o  = 13600 \ V/m

The electric field when the dielectric slab is inserted is mathematically represented as

E =  \frac{E_o}{k}

=> E =  \frac{13600}{1.5}

=> E =9067  \ V/m

Generally the electric field between the plates is mathematically evaluated as

E_{N} =  E_o - E

=> E_{N} =  13600- 9067

=> E_{N} = 4533 \  V/m

Generally the potential difference between the plates is

V =  4533   *  0.001

=> V =  4.533  \  V

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A is the correct answer :D

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What happens to the amount of energy present when it is moved from one form to another
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The amount of energy is ALWAYS conserved based on the law of conservation of energy. Therefore, the amount of energy will remain the same. 
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