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max2010maxim [7]
3 years ago
14

Much of the earth's photosynthesis occurs in the oceans. The rate of primary production depends on light intensity, measured as

the flux of photons (that is, number of photons per unit area per unit time). For monochromatic light, intensity attenuates with water depth according to Beer's Law, which states that I(x) = e−kx, where x is water depth. A simple model for the relationship between rate of photosynthesis and light intensity is P(I) = aI, where a is a constant and P is measured as a mass of carbon fixed per volume of water, per unit time.† Calculate [infinity] P(I(x)) dx 0 .

Physics
1 answer:
Leno4ka [110]3 years ago
8 0

Answer:

Relationship between rate of photosynthesis and light intensity is,

P (I) = aI

Explanation:

See attached image

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Which would be the least effective medium for traveling sound waves? A) gas B) solid C) liquid D) vacuum
Delvig [45]

Answer: The correct answer is vacuum.

Explanation:

Sound wave is a longitudinal wave in which the particles vibrate parallel to the direction of the motion of the wave. Sound wave consists of compression and rarefaction.

It needs a medium to travel. It can travel in solid, liquid and gas. It cannot travel in vacuum.

Denser the medium, more will be the speed of the wave.

Solid is more denser in comparison to liquid.

The speed of the sound in the solid medium is more in comparison to the liquid. The speed of the sound in liquid is more than the speed in the gas.

Therefore, vacuum is least effective medium for traveling sound waves.

7 0
3 years ago
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A force 1500 n to a 100 kg car . what is the acceleration of the car
dezoksy [38]
F = ma

F 1500N
m = 100 kg

1500 = 100 * a

Solve for a.
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Question 1 (1 point) Question 1 Unsaved
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Answer:

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Exercise 2.4.6: Suppose you wish to measure the friction a mass of 0.1 kg experiences as it slides along a floor (you wish to fi
JulijaS [17]

Answer:

  b = 0.6487 kg / s

Explanation:

In an oscillatory motion, friction is proportional to speed,

               fr = - b v

where b is the coefficient of friction

when solving the equation the angular velocity has the form

               w² = k / m - (b / 2m)²

In this exercise we are given the angular velocity w = 1Hz, the mass of the body m = 0.1 kg, and the spring constant k = 5 N / m. Therefore we can disperse the coefficient of friction

             

let's call

               w₀² = k / m

               w² = w₀² - b² / 4m²

               b² = (w₀² -w²) 4 m²

Let's find the angular velocities

             w₀² = 5 / 0.1

             w₀² = 50

             w = 2π f

             w = 2π 1

             w = 6.2832 rad / s

we subtitute

               b² = (50 - 6.2832²) 4 0.1²

               b = √ 0.42086

                b = 0.6487 kg / s

8 0
3 years ago
How are resistance and the diameter of a wire related?
vladimir1956 [14]
It is a because it is inversely proportional
6 0
4 years ago
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