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ahrayia [7]
3 years ago
15

Which sentence from the article supports the idea that the visible spectrum is more limited in marine animals than humans? A Mos

t bioluminescent organisms are found in the ocean, including bioluminescent fish, bacteria and jellies. B Most marine bioluminescence is blue-green, which is easier to see in the deep ocean. C Most organisms, however, flash their light for less than a second to about 10 seconds. D Most fish can only see blue light, so loosejaws have an enormous advantage when they light up a surrounding area.
Physics
1 answer:
lidiya [134]3 years ago
8 0

Most marine bioluminescence is blue-green, which is easier to see in the deep ocean

Explanation:

As per science,  Emission and production of light by a living organism is defined as Bioluminescence. Bioluminescence occurs widely in marine animals whereas it is triggered by a physical disturbance is seen by humans, such as a moving boat hull or waves.

Throughout the water column bioluminescent organisms live and bioluminescence is extremely common in deep sea which shows that visible spectrum is more limited to marine animals than humans.

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(a) An object that has a small mass and an object that has a large mass have the same momentum. Which object has the largest kin
Iteru [2.4K]

Answer:

A) The smaller object; B) The larger object

Explanation:

A) Lets say the small object is 2 kg and the large one is 6 kg. Lets say they also have 30 kg*m/s of momentum each. The small object would have 15 m/s velocity and the large would have 5 m/s.

Now for kinetic energy(.5*m*v²), the small object is .5*2*15², which is 225 J

The large object is .5*6*5², which is 75 J, so the smaller object has more Kinetic energy. Since velocity is squared, it is more important than how large mass is.

B) Same masses as part A. Lets say the kinetic energy is 45 J for both of them. For the small object, 45=.5*2*v²

.5*2 is 1, so 45/1 is 45. Take the square root and we get v= 6.71 m/s

For the large object, 45=.5*6*v²

.5*6 is 3, so 45/3 is 15. Take the square root and we get v=3.87 m/s

Now we plug the velocities into p=mv

For the small object, p=2*6.71, which gives us p=13.42 kg*m/s

For the large object, p=6*3.87, which gives us p=23.22 kg*m/s

The larger object has the larger momentum.

Hope this helps

5 0
3 years ago
A body from the top of a 180 m high mountain is abandoned. Disregarding air resistance and adopting g = 10m / s2, determine:
elena55 [62]

Answer:

1) 6 seconds

2) 60 m/s

Explanation:

Given:

Δy = 180 m

v₀ = 0 m/s

a = 10 m/s²

1) Find t.

Δy = v₀ t + ½ at²

180 m = (0 m/s) t + ½ (10 m/s²) t²

t = 6 s

2) Find v.

v² = v₀² + 2aΔy

v² = (0 m/s)² + 2 (10 m/s²) (180 m)

v = 60 m/s

4 0
3 years ago
The closest meaning to the word hypothesis is
Elis [28]

Answer:

A hypothesis is an idea or explanation that you then test through study and experimentation.

8 0
3 years ago
Read 2 more answers
Compared to yellow light, orange light has
pychu [463]
C. a longer wavelength; if you look at the electro magnetic spectrum of light you will see why
5 0
3 years ago
Read 2 more answers
What happens to temperature as a substance melts and heat energy is used to break the connections between molecules, until all m
zaharov [31]

Answer:

Stays the same.

Explanation:

The temperature does not change just because something melts.

3 0
3 years ago
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