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goblinko [34]
4 years ago
14

Explains why the biosphere is a key component of the earth’s systems?

Physics
1 answer:
irinina [24]4 years ago
5 0

Answer:

The biosphere can simply be defined as all the living beings present in every places on earth, that interacts with the environment and helps in various process to take place. This includes the plants, animals, and the micro-organisms that are found on the lithosphere, hydrosphere and atmosphere.

These plants and animals plays a great role in the earth's closed system. The plants are responsible for taking in carbon dioxide and liberates oxygen gas by carrying out the process of photosynthesis process. The consumers are dependent on them and after their death, the decomposers feeds them. It also helps in the transfer of energy from one trophic level to another. The humans also utilizes the solar energy and converts the light energy provided by the sun into chemical energy.

Thus, the biosphere can be considered as the key component of the earth's system.

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nexus9112 [7]
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Answer: 16.5 m/s

Explanation:
By law of conservation of energy:

\frac{kx^2}{2} =  \frac{mv^2}{2} --- (1)

Since k = Spring Constant = 850 N/m
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v=?

Plug in the values in (1):

\frac{(850)(0.40^2)}{2} =  \frac{0.5v^2}{2}  \\ v =  \sqrt{272} \\ v = 16.49 m/s\\  v = 16.5 m/s(approx)
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4 years ago
You are given a semiconductor resistor made from silicon with an impurity concentration of resistivity 1.00×10−3ωm. the resistor
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The resistance,

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It is given that:

\rho=1.0\times10^{-3}\Omega m

Length, l=2 mm

Area, A= width \times height=1.25 mm\times 0.5 mm=0.625 mm^2

Hence, R=\frac{1.0\times10^{-3}\Omega m \times 2\times10^{-3}m}{0.625\times10^{-6}m^2}=3.2\Omega

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We know, Voltage, V=IR=1.56\times3.2=4.99 V




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