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madam [21]
3 years ago
9

When sunlight shines on a leaf the leaf looks green why does the leaf look green

Physics
2 answers:
KonstantinChe [14]3 years ago
7 0
The correct answer is the third, It reflects the green light waves and absorbs most of the rest.
Sonja [21]3 years ago
3 0

Answer:

Green light is not absorbed but reflected, making the plant appear green. Chlorophyll is found in the chloroplasts of plants. There are various types of chlorophyll structures, but plants contain chlorophyll a and b. These two types of chlorophyll differ only slightly, in the composition of a single side chain.

Explanation:

Hope that helps.

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When the mover pushes the box, two equal forces result. Explain why the box moves
pychu [463]
The mover is pushing on the box, meaning that when hes pushing on the box hes adding force to the box to make it move. The box cant move without force.
7 0
3 years ago
An incompressible fluid is flowing through a horizontal pipe with a constriction. The velocity of the fluid in the wide section
lapo4ka [179]

The Bermoulli's  equation allows us to find the pressure in the narrow part of the pipe through which water circulates is:

             P = 500 Pa

Bernoulli's equation is the work-energy relationship for fluids that are liquids and gases.

           P_1 + \frac{1}{2} \rho v_1^2 + \rho g y_1 = P2 +  \frac{1}{2} \rho v_2^2 + \rho g y_2

Where the subscripts 1 and 2 represent points of interest, P is the pressure, ρ the density of the fluid, v the velocity and y the height.

They indicate that the pipe is horizontal, that the pressure in the wide part P₁ = 200 kPa and the velocity is v₁ = 5 m / s and in the narrow part v₂=8.00 m/s, see attached.

Since the pipe is horizontal y₁ = y₂

           P₁ + ½ ρ v₁² = P₂ + ½ ρ v₂²

           P₂ = P₁ + ½ ρ (v₁² - v₂²)

Let's calculate

          P₂ = 200 10² + ½ ρ (5² - 8²)

          P₂ = 2 10⁴ - 19.5 ρ

For a specific calculation the value of the density of the fluid is needed, suppose that the fluid is water ρ = 1000 kg / m³

           P₂ = 2 10² - 19.5 1000

           P₂ = 500 Pa

In conclusion using the Bermoulli equation we can find the pressure in the narrow part of the pipe through which water circulates is:  

             P = 500 Pa

Learn more here: brainly.com/question/9506577

3 0
3 years ago
Over the course of 30 seconds, 3 waves hit the shore. What is the period of the waves?
laila [671]

Answer:

3 per 10 seconds.

Explanation:

If it's 30 seconds and 3 waves hit throughout that time period, dividing should get you your answer..

30/3 = 10.

Hope this helped!

Source(s) used: N/A

5 0
3 years ago
How does learning about plate tectonics benefit you?
Elena L [17]
You learn about earthquakes?
8 0
4 years ago
Since the Sun has more mass, why do objects on earth not move closer to the Sun instead of staying put on Earth?
maw [93]

Answer:

Because the Earth has it's own gravity that keeps us put, and we also have the moon.

Explanation:

6 0
3 years ago
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