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Lelu [443]
3 years ago
15

Yeast breaking down starch into usable energy ____________ law of thermodynamics.

Physics
2 answers:
Anon25 [30]3 years ago
4 0
<span>First law of thermodynamics. This conservation law states that energy cannot be created or destroyed but can be changed from one form to another. In essence, energy is always conserved but can be converted from one form into another. Like when an engine burns fuel, it converts the energy stored in the fuel's chemical bonds into useful mechanical energy and then into heat, or more specifically, the melting ice cubes. Yeast breaks down maltose into glucose to produce alcohol and Co2 in the fermentation process. This is a prime example of the 1st law of thermodynamics. No form of usable energy is really lost; it only changes from one form to another</span>
Talja [164]3 years ago
4 0

Answer:

<em>Yeast breaking down starch into usable energy </em><em>obeys the first</em><em> law of thermodynamics.</em>

Explanation:

The first law of thermodynamics expresses the conservation of energy, specifically states that the internal energy of a system equals the difference of the heat transfer and the work done by the system.

But, the conservation of energy part is what applies here directly, because the yeast breakes down starch into fat, which is another form of energy, there's the conservation. Then, when this fat breaks down, it's to release the last form of energy of that process, the energy that will be used and transform in heat, there's presents the first law of thermodynamics, because such energy released will be able to be used as work.

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The current through a 0.2-H inductor is i(t) = 10te–5t A. What is the energy stored in the inductor?
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Answer:

E = 10t^2e^-10t Joules

Explanation:

Given that the current through a 0.2-H inductor is i(t) = 10te–5t A.

The energy E stored in the inductor can be expressed as

E = 1/2Ll^2

Substitutes the inductor L and the current I into the formula

E = 1/2 × 0.2 × ( 10te^-5t )^2

E = 0.1 × 100t^2e^-10t

E = 10t^2e^-10t Joules

Therefore, the energy stored in the inductor is 10t^2e^-10t Joules

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3 years ago
Un vehicle surt, en un instant, d'un punt A cap a un altre punt B amb una velocitat constant de 36 km/h. Després d'un minut(60 s
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4. An airplane maintains a constant acceleration of 4.0 m/s2 [E] as it speeds up from 16 m/s [E] to 28 m/s [E].
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3 years ago
If the mass of an object is 10 Kg and it experiences a Net force of 60 Newtons. What is the acceleration?
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6 m/s^2

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2 years ago
She wants to travel back to Madison by train. The distance from Chicago to Madison is 147 miles and takes 2.47 hours. If she mak
levacccp [35]

Answer:

59.51 mph.

Explanation:

The following data were obtained from the question:

Distance (d) = 147 miles

Time (t) = 2.47 hours.

Speed (S) =?

Speed is defined as the distance travelled per unit time. Mathematically, it is expressed as:

Speed (S) = Distance (d) / time (t)

S = d/t

With the above formula, we can obtain the speed of the girl as illustrated below:

Distance (d) = 147 miles

Time (t) = 2.47 hours.

Speed (S) =?

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S = 147 miles / 2.47 hours.

S = 59.51 miles per hour (mph)

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2 years ago
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