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stich3 [128]
3 years ago
9

Which of the following is true about teeth in mammals? a. Only large mammals have teeth. b. All teeth in mammals look the same a

nd do the same job. c. Mammal teeth do different jobs and are different sizes and shapes. d. It is not possible for a mammal to survive without teeth.
Physics
1 answer:
katovenus [111]3 years ago
4 0
<span>c. Mammal teeth do different jobs and are different sizes and shapes</span>
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What is the universe made of? Astronomers face an embarrassing conundrum: they don't know what 95% of the universe is made of​
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Answer:

This what they all been waiting for

I guess so

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3 years ago
What conventions are used in SI to indicate units
klemol [59]

Answer:

<u>Conventions used in SI to indicate units are as follows:</u>

  • Only singular form of units are used. for example: use kg and not kgs.
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3 years ago
The plates of a parallel-plate capacitor are 2.50 mm apart, and each carries a charge of magnitude 80.0 nC. The plates are in va
bonufazy [111]

Answer:

10000 V

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Explanation:

E = Electric field = 4\times 10^6\ V/m

d = Gap = 2.5 mm

Q = Charge = 80 nC

\epsilon_0 = Permittivity of free space = 8.85\times 10^{-12}\ F/m

Potential difference is given by

V=Ed\\\Rightarrow V=4\times 10^6\times 2.5\times 10^{-3}\\\Rightarrow V=10000\ V

The potential difference between the plates is 10000 V

Area is given by

A=\dfrac{Q}{\epsilon_0E}\\\Rightarrow A=\dfrac{80\times 10^{-9}}{8.85\times 10^{-12}\times 4\times 10^6}\\\Rightarrow A=0.00225988700565\ m^2

The area of the plate is 0.00225988700565 m²

Capacitance is given by

C=\dfrac{\epsilon_0A}{d}\\\Rightarrow C=\dfrac{8.85\times 10^{-12}\times 0.00225988700565}{2.5\times 10^{-3}}\\\Rightarrow C=8\times 10^{-12}\ F

The capacitance is 8\times 10^{-12}\ F

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Define SI unit of measurement.​
ivanzaharov [21]

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