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adell [148]
3 years ago
8

How is color related to wavelength?

Physics
1 answer:
daser333 [38]3 years ago
5 0
Answer to d.
Color travels in waves which are loosely divided into into short medium and long in length. because color travel at different wavelengths some are easier to see than others but the amount of light is also a factor. in general however green is the most visible color from a distance.
answer to c.
No it depends on the time of day whether it is light or dark because clors stand out in different wavelenghts
answer to b.
yes that's absolutely true.
answer to a.
No purple is the shortest wavelength and the highest frequency

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Why is the cycle of cellular respiration and photosynthesis important to life for plants
devlian [24]
The cycle of cellular respiration and photosynthesis are important for the life of plants because cellular respiration uses one of the products of photosynthesis (oxygen), and uses it as one of the reactants along with glucose to produce carbon dioxide. These two cycles help maintain a balance for our atmosphere, even though pollution and other factors have disrupted this balance. Hope this helps! :)
5 0
3 years ago
If it takes a ball dropped from rest 2.261 s to fall to the ground, from what height H was it released? Express your answer in m
algol [13]

Answer:

Height, H = 25.04 meters

Explanation:

Initially the ball is at rest, u = 0

Time taken to fall to the ground, t = 2.261 s

Let H is the height from which the ball is released. It can be calculated using the second equation of motion as :

H=ut+\dfrac{1}{2}at^2

Here, a = g

H=\dfrac{1}{2}gt^2            

H=\dfrac{1}{2}\times 9.8\times (2.261)^2

H = 25.04 meters

So, the ball is released form a height of 25.04 meters. Hence, this is the required solution.

7 0
3 years ago
3. Magnitude of a physical quantity is the number of times a standard quantity is present in it.
Nady [450]
The number of times a standard quantity is present in the given physical quantity is called magnitude of a physical quantity
4 0
3 years ago
Vectors have which two properties?
stiks02 [169]

Answer:

D. magnitude and direction

Explanation:

3 0
3 years ago
An object is accelerating at 2m/s^2. What is the net force if the mass is 125kg?
natita [175]

Answer:

250 N

Explanation:

Newton's second law:

∑F = ma

∑F = (125 kg) (2 m/s²)

∑F = 250 N

3 0
3 years ago
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