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aliina [53]
3 years ago
15

PLEASE HELP HONESTLY!!! 50 POINTS TO THE BRAINIEST!!! :)

Physics
2 answers:
krek1111 [17]3 years ago
5 0
Im not gonna write for you a whole short story (I don't have time), but just describe what you observed (in a fake reality).

For the relationship between the predator-prey: you could say a snake eating a mouse. 

Commenalism: lets say...moss grows on a tree and benefits, but it doesn't hurt or effect the tree.

Mutalism: a bird on a rhino. The bird eats parasites and bugs that feed off the rhino, the bird gets food and the rhino stays clean and parasite free.

Parasitism: a dog and a flea. Only the flea benefits from the dog. The dog has to suffer from the parasites evilness. 

Now just thread it together and describe it. Comparing is easy, just use the definition of, for example, commensalism, mutalism, in one relationship, one organism benefits, in the other, both benefit.
Have fun!

dusya [7]3 years ago
4 0
I can do this for you tomorrow but you have to pm me. ILL have it done by tomorrow pm me for it and ill give it to you.
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3 years ago
A ball on the end of a string is whirled around in a horizontal circle of radius 0.478 m. The plane of the circle is 1.02 m abov
m_a_m_a [10]

Answer:

Explanation:

We shall find first the velocity of ball at the time when string breaks. Let it be v . During its fall on the ground , 1.02 m below, we use the formula

h = 1/2 gt² where t is time of fall .

1.02 = 1/2 x 9.8 x t²

t²= .2081

t = .456

During this time it travels horizontally at distance of 2.5 m with uniform velocity of v

v x .456 = 2.5

v  = 5.48 m /s

centripetal acceleration

= v² / r where r is radius of the circular path

= 5.48² / .478

= 62.82 m /s²

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3 years ago
What are the two main factors that<br>affect how quickly a coastline erodes?​
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4 0
3 years ago
When a sinusoidal wave with speed 20 m/s , wavelength 35 cm and amplitude of 1.0 cm passes, what is the maximum speed of a point
vova2212 [387]

To solve this problem it is necessary to apply the concepts related to frequency as a function of speed and wavelength as well as the kinematic equations of simple harmonic motion

From the definition we know that the frequency can be expressed as

f = \frac{v}{\lambda}

Where,

v = Velocity \rightarrow 20m/s

\lambda = Wavelength \rightarrow 35*10^{-2}m

Therefore the frequency would be given as

f = \frac{20}{35*10^{-2}}

f = 57.14Hz

The frequency is directly proportional to the angular velocity therefore

\omega = 2\pi f

\omega = 2\pi *57.14

\omega = 359.03rad/s

Now the maximum speed from the simple harmonic movement is given by

V_{max} = A\omega

Where

A = Amplitude

Then replacing,

V_{max} = (1*10^{-2})(359.03)

V_{max} = 3.59m/s

Therefore the maximum speed of a point on the string is 3.59m/s

8 0
4 years ago
15 PTS!!!!
Anon25 [30]
I thinks its period because they are on the last column to the right
6 0
3 years ago
Read 2 more answers
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