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3 years ago

The change in momentum for an object is equal to

Physics

1 answer:

koban [17]3 years ago

4 0

Answer:

We conclude that the change in momentum of a body is equal to the impulse experienced by a body.

Explanation:

Considering the equation

F • t = m • Δ v

Here,

m • Δ v is basically a change in momentum of a body which is equal to the mass of the object multiplied by the change in its velocity.

Also,

F • t is called the impulse of the object.

In the formula, it is clear that the impulse experienced by a body during the collision is basically a change in the momentum of the body.

In other words, the change in momentum of a body is equal to the impulse experienced by a body.

Therefore, we conclude that the change in momentum of a body is equal to the impulse experienced by a body.

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2 years ago

You make a capacitor from 2 flat plates each with an area of 10 cm^2 you use a 1mm thick piece of pyrex glass as your dielectric

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Part a)

$\Delta V_{max} = 14 \times 10^3 Volts$

Part b)

$C = 4.96 \times 10^{-11} farad$

Part c)

$Q = 0.69 \mu C$

Part d)

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Explanation:

Part a)

As we know that dielectric constant of pyrex glass is 5.6 and its dielectric breakdown strength is given as

$E = 14 \times 10^6 V/m$

now we have

$E . d = \Delta V$

$(14 \times 10^6)(0.001) = \Delta V$

so we have

$\Delta V_{max} = 14 \times 10^3 Volts$

Part b)

Capacitance is given as

$C = \frac{k\epsilon_0 A}{d}$

$C = \frac{5.6(8.85 \times 10^{-12})(10 \times 10^{-4}}{0.001}$

$C = 4.96 \times 10^{-11} farad$

Part c)

Now we have

$Q = C\Delta V$

$Q = (4.96 \times 10^{-11})(14 \times 10^3)$

$Q = 0.69 \mu C$

Part d)

$Energy = \frac{1}{2}CV^2$

$E = \frac{1}{2}(4.96 \times 10^{-11})(14 \times 10^3)^2$

$E = 4.86 \times 10^{-3} J$

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3 years ago