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grin007 [14]
4 years ago
5

What property of objects is best measured by their capacitance?

Physics
1 answer:
vekshin14 years ago
3 0
<h2>Answer: the object's ability to store charge</h2>

Explanation:

The capacitance C is defined as the relationship between the electric charge of each conductor and the potential difference between them. That is, it is the capacity of a device to store electrical charge.  

In other words:  

It is the property that bodies have to maintain an electric charge.  

Mathematically it is defined as:  

C=\frac{Q}{V}  

where:  

C is the capacitance value of a capacitor. Its unit is Farad F; named in honor of the physicist Michael Faraday  

Q is the electric charge of the conductor, measured in coulombs C.  

Vis the electric potential to which the conductor is located, measured in Volt.  

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A 0.1 kg object moving initially with a velocity of +0.2 m/s makes an elastic head-on collision with a 0.15 kg object initially
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v₁=0.2 ms

Explanation:

Given that

m₁ = 0.1 kg

u₁ = 0.2 m/s

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u₂ = 0 m/s

Lets take the final speed of the 0.1 kg ball = v₁

Lets take the final speed of the 0.15 kg ball = v₂

Given that collision is elastic that is why e = 1

e=\dfrac{v_2-v_1}{u_1-u_2}

1=\dfrac{v_2-v_1}{u_1-u_2}

u₁  - u₂  = v₁  - v₂

0.2 - 0 = v₁  - v₂

v₁  - v₂ = 0.2       ------------1

If there is no any external force on the system  then the total linear momentum of the system will be conserve.

m₁u₁ + m₂ u₂ =m₂ v₂ +m₁v₁

0.2 x 0.1 + 0 = 0.15 v₂  + 0.1 v₁

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2 = 10 v₁   +  15 v₂     ----------------2

By using equation 1 and 2

We can say that

v₁=0.2 ms

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