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oee [108]
3 years ago
6

Which of these activities increases the amount of carbon in the atmosphere? A. animals eating plants B. burning of fossil fuels

C. fossilization D. photosynthesis
Physics
1 answer:
tester [92]3 years ago
8 0

Answer:

B. Burning of fossil fuels

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A square loop of side 7 cm is placed with the nearest side 2 cm from a long wire carrying a current that varies with time at a c
ioda

Answer:

Explanation:

side of the square loop, a = 7 cm

distance of the nearest side from long wire, r = 2 cm = 0.02 m

di/dt = 9 A/s

Integrate on both the sides

\int _{0}^{i}di =9\int _{0}^{t}dt

i = 9t

(a) The magnetic field due to the current carrying wire at a distance r is given by

B = \frac{\mu_{0}i}{2\pi r}

B = \frac{\mu_{0}\times 9t}{2\pi r}

(b)

Magnetic flux,

\phi=\int B\times a dr

\phi=\int \frac{\mu_{0}\times 9t}{2\pi r}\times a dr

\phi=\frac{\mu_{0}\times 9t\times a}{2\pi}\times ln\left ( \frac{2 + 7}{2} \right )

\phi=\frac{\mu_{0}\times 9t\times 0.07}{2\pi}\times ln(4.5)

\phi = 1.89 \times 10^{-7}t

(c)

R = 3 ohm

e = -\frac{d\phi}{dt}

magnitude of voltage is

e = 1.89 x 10^-7 V

induced current, i = e / R = (1.89 x 10^-7) / 3

i = 6.3 x 10^-8 A

8 0
3 years ago
Which is a property of light a: mass b: density c: wavelength d: pitch
Reptile [31]
Im pretty sure its C- Wavelength
6 0
3 years ago
The vertical columns in the periodic table are called _____________. families periods rows
bonufazy [111]

Answer:

families

Explanation:

periods are horizontal

4 0
3 years ago
Read 2 more answers
Networks that are designed to connect similar computers that share data and software with each other are called: client/server n
aev [14]

peer-to-peer networks

Explanation:

Networks designed to connects similar computers that shares data and software with each other are called peer-to-peer networks.

These networks are closely around and do not rely on information passing through a central data point.

  • In a peer to peer connection, the computers have direct access to one another.
  • The computers over the network becomes both client and server.

learn more:

Machines on public network brainly.com/question/10338479

#learnwithBrainly

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3 years ago
What conditions are required for a solar eclipse?
IgorLugansk [536]
The phase of the Moon must be new, and the nodes of the Moon's orbit must be nearly aligned with Earth and the Sun.
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3 years ago
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