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alexandr402 [8]
3 years ago
10

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? The are diffracted. They are absorbed. They are reflected. They are refracted.
Physics
2 answers:
arlik [135]3 years ago
8 0

Explanation:

it is reflected all the other colors such as red is absorbed

zzz [600]3 years ago
5 0

Answer:

it is reflected on the others colors such as red is absorbed

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The possible presence of a supermassive black hole at the center of our galaxy has been deduced from
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The movement of stars near the center.
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A boat heads north in still water at 4. 5 m/s directly across a river that is running east at 3. 0 m/s. What is the velocity of
Delicious77 [7]

Answer:

5.

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8 0
3 years ago
Will you travel in 3.0 minutes running at a rate of 6.0 m/s
aalyn [17]

Answer:

1080 meters

Explanation:

60sec in 1 minute

So, 3x60=180

  • 6m/s (one second is 6 meters)

So, 6x180=1080 meters

5 0
3 years ago
what is the net force required to give an automobile with a mass of 1,600 kg an acceleration of 4.5m/s
Dmitrij [34]

Hi there!

Recall Newton's Second Law:

\large\boxed{\Sigma F = ma}}

∑F = Net force (N)

m = mass (kg)

a = acceleration (m/s²)

We are already given the mass and acceleration, so we can plug these values into the equation:

∑F = 1600 · 4.5 = 7200 N

7 0
3 years ago
Suzie (of mass 42 kg) is roller-blading down the sidewalk going 32 miles per hour. She notices a group of workers down the walkw
Allisa [31]

Answer:

a) Suzie’s average acceleration = -6.46 m/s²

b) Force exerted to stop Suzie = 271.52 N

Explanation:

a) We have equation of motion, v = u + at

     Final velocity, v = 0 m/s

     Initial velocity, u = 32 mph = 14.22 m/s

     Time, t =2.2 s

Substituting

     0 = 14.22 + a x 2.2

     a = -6.46 m/s²

Suzie’s average acceleration = -6.46 m/s²

b) Mass of Suzie = 42 kg

   Force = Mass x Acceleration

   F = Ma

   F = 42 x -6.46 =-271.52 N

   Force exerted to stop Suzie = 271.52 N

5 0
3 years ago
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