3 years ago

What's the time it takes a car to attain the speed of 30 m/s when accelerating from rest at 2 m/s (squared)

Physics

1 answer:

bekas [8.4K]3 years ago

6 0

I guess a idk lol good luck tho

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Two parallel plates have equal and opposite charges. When the space between the plates is evacuated, the electric field is E= 3.

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Explanation:

The given data is as follows.

Electric field between plates without dielectric, $E_{1} = 3.50 \times 10^{5} V/m$

Electric field between the plates with dielectric, $E_{2} = 2.40 \times 10^{5} V/m$ .

Permittivity of free space, $\epsilon_{o}$ = $8.85 \times 10^{-12} C^{2}/Nm^{2}$

Now, we will determine the charge density as follows.

$\sigma_{i} = \epsilon_{o}(E_{1} - E_{2})$

= $8.85 \times 10^{-12} \times (3.50 \times 10^{5} - 2.40 \times 10^{5})$

= $9.735 \times 10^{-7} C/m^{2}$

Thus, we can conclude that the charge density on each surface of the dielectric is $9.735 \times 10^{-7} C/m^{2}$ .

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3 years ago

! ' 30 !! !

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