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sweet [91]
3 years ago
6

Plants appear green because they do not absorb the green wavelengths of light what happens to those green light waves when they

hit a plant
Physics
2 answers:
o-na [289]3 years ago
7 0

Answer:

Plant appear green because when white light incident on the plants then there will be seven components of the wavelength that incident on the plants.

These seven components are

1). Violet  

2). Indigo

3). Blue

4). Green

5). Yellow

6). Orange

7). Red

all these seven component when absorbed by the object then object will be invisible.

So here plants looks green because all the components of white light get absorbed by the plants except the green color.

So here green color will get reflected by the plants due to which they appear green.

Arlecino [84]3 years ago
4 0
The green wavelengths are reflected, causing green to be the only color we see in certain parts of plants.

Best of luck, my man.
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A 80 kg parent and a 20 kg child meet at the center of an ice rink. They place their hands together and push. The parent pushes
Ymorist [56]

Answer:

force acting on the parent = 25 N .

Explanation:

According to third law of Newton , there is equal and opposite reaction to every action . Here force by the parent on child is action and the force by child on parent is reaction . The former is given as 25 N so force by child on parent will also be 25 N .

Answer is 25 N .

4 0
3 years ago
a ball is thrown down at 25 m/s from a 500m tall building. how fast is it traveling when it hits the ground?
Mrrafil [7]

Answer:

The speed of the ball when it hits the ground is 102.1 m/s

Explanation:

Given;

initial velocity of ball, u = 25 m/s

distance traveled by the ball = height of the building = h = 500 m

when the ball hits the ground, the final velocity, v = ?

The final velocity of the ball is given by;

v² = u² + 2gh

where;

g is acceleration due to gravity = 9.8 m/s²

v² = (25)² + 2(9.8)(500)

v² = 10425

v = √10425

v = 102.1 m/s

Therefore, the speed of the ball when it hits the ground is 102.1 m/s

3 0
3 years ago
The drawing shows a bicycle wheel resting against a small step whose height is h = 0.110 m. The weight and radius of the wheel a
Pavel [41]

Answer:

F=27.39N

Explanation:

Take sum of torques at the point the step touches the wheel, that eliminates two torques

ΣT=T_{N}+T_{f}+T_{W}

Since we are looking for when the wheel just starts to rise up N-> 0 so no torque due to normal force

T_{N}=0

The perpendicular lever arm for the F force is R-h

T_{f}=F*(r-h)

And the T of gravity according to the image

T_{W}=W*(\sqrt{r^2-(r-h)^2}

ΣT=0

T_{N}+T_{f}+T_{W}=0

F*(r-h)+W*(\sqrt{r^2-(r-h)^2}=0

F=\frac{W*(\sqrt{r^2-(r-h)^2}}{r-h}

F=\frac{24.9 N*(\sqrt{0.336^2-(0.336-0.110)^2}}{(0.336-0.11)}

F=27.39N

4 0
3 years ago
Participating in team sports can have a positive effect on all aspects of life. Please select the best answer from the choices p
AveGali [126]

Answer: True

Explanation:

Participating in team sports can lead to the development of healthy fellowship and brotherhood behavior among the participants. It induces team spirit and allows to lead a healthy competition. It can be a good recreational activity which can be used for removing the emotional and physiological stress. Hence, can improve positivity in all aspects of life.

5 0
3 years ago
The Earth's _____
fenix001 [56]

Answer:

rotation

Explanation:

............................

4 0
2 years ago
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