3 years ago

Wat is the volume of a marble in mL?

Physics

1 answer:

rewona [7]3 years ago

6 0

4/3 pi (radius)^3
If the radius is in cm the volume will be in mL

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Any correct ans guess for 30 pts and brainlist

Amiraneli [1.4K]

Answer:

a) ii

b) i

c)iii

d)iii

e) i

f)iii

Explanation:

i hope this will help

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3 years ago

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If a wave has a wavelength of 4m and a frequency of 2.5hz what is the velocity of the wave

poizon [28]

Answer:

10 m/s

Explanation:

Velocity = frequency * wavelength

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3 years ago

Two large metal plates of area 0.7 m2 face each other. They are 5.1 cm apart and have equal but opposite charges on their inner

german

Explanation:

The given data is as follows.

Area (A) = 0.7 $m^{2}$ .

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Since, electric field is related to surface charge density as follows.

$\sigma = \frac{Q}{A}$

Also, E = $\frac{\sigma}{\epsilon_{o}}$

or, $\sigma = \epsilon_{o} E$

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= $8.854 \times 10^{-12} \times 55 \times 0.7$

= $3.41 \times 10^{-10} C$

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Thus, we can conclude that magnitude of the charge on each plate is 341 pC.

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4 years ago

If you don’t know the answer please please don’t answer, I have to do this for a test and it’s 100 points

frutty [35]

Answer:

I believe that it's C

Explanation:

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3 years ago

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kykrilka [37]

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