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Katyanochek1 [597]
3 years ago
7

Stella has poured 3 cups of water into a 1-L soda bottle. Stella then sealed the bottle and placed it in the sunlight. What natu

ral process can Stella study with the model she built?
 A. water cycle B. nitrogen cycle C. rock cycle D. carbon cycle
Physics
1 answer:
KonstantinChe [14]3 years ago
3 0
<span>Answer is: A. water cycle.
Under influence of sunlight (energy), water evaporates (liquid phase transform into gas phase). Gas, after contact with bottle, turns into liquid phase again (condensation). That is happening with water in nature also (</span><span>water moves from one reservoir to another).</span>
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3 years ago
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9. Rob Colley set a record in “pole-sitting" when he spent 42 days in a barrel at the
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3 sec

Explanation:

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A 20.0-µF capacitor is charged by a 150.0-V power supply, then disconnected from the power and connected in series with a 0.280
natali 33 [55]

Answer

given,

Capacitance of capacitor = 20.0-µF

Voltage =  150.0-V

inductance = 0.280 m H

a) the oscillation frequency of circuit

f = \dfrac{1}{2\pi}\ sqrt{\dfrac{1}{LC}}

f = \dfrac{1}{2\pi}\ sqrt{\dfrac{1}{0.280 \times 10^{-3}\times 20 \times 10^{-6}}}

f = 2126.9 Hz

b) U = \dfrac{1}{2}CV^2

   U = \dfrac{1}{2}(20\times 10^{-6})(150)^2

         U = 0.225 J

c)Current in the inductor

    V = L \dfrac{dI}{dt}

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    \dfrac{dI}{dt} = 535714

instantaneous rate of change of current is equal to 535714 A/s

 

7 0
3 years ago
4. What property of metals make them good conductors of heat?
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The metal’s feely moving sea of electrons
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3 years ago
An acceleration of 2m/s^2 is produced on a body by applying an effort of 50N. calculate mass of the body​
jenyasd209 [6]

Answer:

25 kg

Explanation:

Given,

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To find : Mass ( m ) = ?

Formula : -

F = ma

m = F / a

= 50 / 2

m = 25 kg

So, the mass of the body is 25 kg.

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3 years ago
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