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katovenus [111]
2 years ago
13

Alison was looking at a tissue under the microscope. It had cells within lacuna and the matrix was glassy looking. What type of

tissue is she looking at? ? Group of answer choices
Physics
1 answer:
Leokris [45]2 years ago
5 0

Answer:

  • There are a number of body cells that are composed of a way different components or we can say elements, as there are bone cells know to be more brittle or we can say less flexible as compared to the cartilaginous cells inside the human body's structure. While, the different cells are name differently by the scientists or the professionals who worked on them. Such as the osteoblasts are the bone cells which are composed of very rigid and dense form of matrix inside its structure, this provides the rigidness to the whole body structure of the living beings body.
  • Alison was looking at a tissue under the microscope. It had cells within lacuna and the matrix was glassy looking, he was thus observing <u>the chondrocytes(the cartilaginous cells inside the animal body).</u>
  • While, there are different connective tissues which mainly functions to provide a more connected form of body structure, and the organs are well organized by the connective tissues which brings texture and connective to one another. While, the more flexible form of body cells the chondrocytes are there to enhance the development of the cartilaginous structure inside the living body. As, the provide the required flexibility to the body structure to move more freely and perform locomotion in the desired angle and direction.

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The current supplied by a battery slowly decreases as the battery runs down. Suppose that the current as a function of time is:
ludmilkaskok [199]

Answer: 8.1 x 10^24

Explanation:

I(t) = (0.6 A) e^(-t/6 hr)

I'll leave out units for neatness: I(t) = 0.6e^(-t/6)

If t is in seconds then since 1hr = 3600s: I(t) = 0.6e^(-t/(6 x 3600) ).

For neatness let k = 1/(6x3600) = 4.63x10^-5, then:

I(t) = 0.6e^(-kt)

Providing t is in seconds, total charge Q in coulombs is

Q= ∫ I(t).dt evaluated from t=0 to t=∞.

Q = ∫(0.6e^(-kt)

= (0.6/-k)e^(-kt) evaluated from t=0 to t=∞.

= -(0.6/k)[e^-∞ - e^-0]

= -0.6/k[0 - 1]

= 0.6/k

= 0.6/(4.63x10^-5)

= 12958 C

Since the magnitude of the charge on an electron = 1.6x10⁻¹⁹ C, the number of electrons is 12958/(1.6x10^-19) = 8.1x10^24 to two significant figures.

5 0
2 years ago
Students use a stretched elastic band to launch carts of known mass horizontally on a track. The elastic bands exert a force F,
rodikova [14]

Answer:

the correct answer is  E

A graph of the cart's maximum speed squared as a function of x^3

Explanation:

For this exercise let's use Newton's second law

        F = m a

force has the form

        F = k x²

and acceleration is related to velocity

        a = dv / dt

Let's use the chain rule or L'Hospital

        a = dv /dx   dx/dt

        a = dv /dx    v

let's substitute

     k x² = m v dv / dx

     k /m x² dx = v dv

we integrate

     k /m    x³ /3 = v² / 2

     v² = (2k /3m)   x³

This is the expression for the variation of the speed as a function of the position, to make a linear graph realism the changes of variable

      y = v²

     x´ = x³

       y = (2k/3m)  x´

if we graph y vs x 'we have a linear graph whose slope is

      m = 2k / 3m

By reviewing the different answers, the correct answer is  E

4 0
2 years ago
The colored lines in the figure represent paths taken by different people walking around in a city. Assume that each city block
jarptica [38.1K]

Answer: 592.37m

Explanation:

Person D is the blue line.

The total displacement is equal to the difference between the final position and the initial position, if the initial position is (0,0) we have that he first goes down two blocks, then right 6 blocks. then up 4 blocks, then left 1 block.

Now i will considerate that the positive x-axis is to the right and the positive y-axis is upwards.

Then the new position will be, if B is a block:

P =(6*B - 1*B, -2*B + 4*B) = (5*B, 2*B)

And we know that B = 110m

P = (550m, 220m)

Now, then the displacement will be equal to the magnitude of our vector, (because the difference between P and the initial position is equal to P, as the initial position is (0,0))  this is:

P = √(550^2 + 220^2) = 592.37m

4 0
2 years ago
Classify the sentences based on whether they describe temperature or thermal energy.
KiRa [710]
Thermal energy energy that has hot cold or warm
Temp.Energy is the out come of the thermal engery and affects Earth and space
7 0
2 years ago
A developer wants to build a sprawling two-story office complex. The developer's and architect's vision is something low, modern
Lera25 [3.4K]

Answer:

a. directive zoning

Explanation:

Directive zoning is an instrument used in master plans, whereby the city is divided into areas on which differentiated land use and land use guidelines apply, especially urban indexes. Directive zoning acts primarily by controlling two main elements: the use and size (or size) of lots and buildings. It is therefore assumed that the end result achieved through individual actions is in line with the municipality's objectives, which include proportionality between occupation and infrastructure, the need to protect fragile areas and / or cultural interest, the harmony from the volumetric point of view, etc.

4 0
2 years ago
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