3 years ago

Which is used to name an ionic compound?

Physics

1 answer:

solmaris [256]3 years ago

7 0

Answer:

if the negative ion ends in -ide

Explanation:

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A capacitor consists of two square plates, 8.7 cm on a side, separated by a 2.0 mm air gap. How much energy would be stored in t

slavikrds [6]

Answer:

122.84 J

Explanation:

Since plate is square, area, A is given by $(8.7/100)^{2}=0.007569m^{2}$

The distance between plates, d, is given in the question as 2mm=0.002m

Charge on plate, Q, as given in the question is 240 $\mu c$

Assuming mica dielectric constant, k of 7

Capacitance, C is given by

C= $\frac {k\epsilon_{o}A}{d}=\frac {(7)(8.85*10^{-12})(0.007569)}{0.002}=2.34*10*^{-10}F$

Stored energy, E is given by

E= $\frac {Q^{2}}{2C}=\frac {(240*10^{-6})^{2}}{2*(2.34*10^{-10})}=122.84J$

Therefore, the stored energy is 122.84 J

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3 years ago

Which one is not physical quantity question is mistake

Anastaziya [24]

Answer:

Length

Explanation:

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Oxana [17]

I have to guess it is force

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Choose one. 5 points

Mariana [72]

Answer:

It would be 4,6E14.

Explanation:

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A traveler covers a distance of 413 miles in a time of 7 hours. What is the average speed for his trip?

Nina [5.8K]

Answer:

59/mph.

Explanation:

We just have to divide the number of miles, by the amount of time it took. 413 miles / 7 hours = 59 miles per hour.

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