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Natalija [7]
3 years ago
11

The epidermis is the top layer of skin compared to the underlying dermis of the

Physics
2 answers:
madam [21]3 years ago
8 0

Answer:

Although you may not typically think of the skin as an organ, it is in fact made of tissues that work together as a single structure to perform unique and critical functions. The skin and its accessory structures make up the integumentary system, which provides the body with overall protection. The skin is made of multiple layers of cells and tissues, which are held to underlying structures by connective tissue (Figure 5.1.1). The most superficial layer of the skin is the epidermis which is attached to the deeper dermis. Accessory structures, hair, glands, and nails, are found associated with the skin. The deeper layer of skin is well vascularized (has numerous blood vessels) and is superficial to the hypodermics. It also has numerous sensory, and autonomic and sympathetic nerve fibers ensuring communication to and from the brain.

Explanation:

Describe the layers of the skin and the functions of each layer

-Identify the components of the integumentary system

-Describe the layers of the skin and the functions of each layer

-Describe the layers of the epidermis and dermis

-Identify and describe the hypodermis and fascia

-Describe the role of keratinocytes and their life cycle

-Describe the role of melanocytes in skin pigmentation

elena-14-01-66 [18.8K]3 years ago
4 0

Answer:

just as rea was situated at a distance in picture and a half dozen years old in his first comment in picture the actor was the first thing he had ever heard about it he reati was the only person who has

Explanation:

plz help you get the best in your house but muje has been in a relationship since the last

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A hoop of mass 2 kg, radius 0.5 m is rotating about its center with an angular speed of 3 rad's. A force of 10N is applied tange
Degger [83]

Answer:

The rotational kinetic energy of the hoop and the instantaneous change rate of the kinetic energy are 2.25 J and 15 J.

Explanation:

Given that,

Mass = 2 kg

Radius = 0.5 m

Angular speed = 3 rad/s

Force = 10 N

(I). We need to calculate the rotational kinetic energy

Using formula of kinetic energy

K.E =\dfrac{1}{2}\timesI\omega^2

K.E=\dfrac{1}{2}\times mr^2\times\omega^2

K.E=\dfrac{1}{2}\times2\times(0.5)^2\times(3)^2

K.E=2.25\ J

(II). We need to calculate the instantaneous change rate of the kinetic energy

Using formula of kinetic energy

K.E=\dfrac{1}{2}mv^2

On differentiating

\dfrac{K.E}{dt}=\dfrac{1}{2}m\times2v\times\dfrac{dv}{dt}

\dfrac{K.T}{dt}=mva....(I)

Using newton's second law

F = ma

a= \dfrac{F}{m}

a=\dfrac{10}{2}

a=5 m/s^2

Put the value of a in equation (I)

\dfrac{K.E}{dt}=mva

\dfrac{K.E}{dt}=mr\omega a

\dfrac{K.E}{dt}=2\times0.5\times3\times5

\dfrac{K.E}{dt}=15\ J/s

Hence, The rotational kinetic energy of the hoop and the instantaneous change rate of the kinetic energy are 2.25 J and 15 J.

3 0
3 years ago
what is the initial velocity of a go-kart traveling at a uniform acceleration of 0.5 m/s^2 for 5s as it slows down to a stop?​
timurjin [86]

The initial velocity of go-kart is 2.5 m/s.

<u>Explanation:</u>

Here, the uniform acceleration of go-kart is given as 0.5 m/s². Also the time required by it to stop is also given as 5 s. As acceleration is the measure of change in velocity per unit time.

In this case, the velocity should be changed from a value to zero to come to rest. So the initial velocity will be positive value and final velocity is zero.

As we know the values of acceleration, final velocity and time, the initial velocity can be easily determined as follows.

Acceleration = \frac{Final velocity -Initial velocity}{Time}

Since, final velocity is zero, acceleration is 0.5 m/s² and time is 5 s, then,

        -0.5=\frac{-\text {Initial velocity}}{5}

        Initial velocity = 0.5 × 5 = 2.5 m/s.

So the initial velocity of go-kart is 2.5 m/s.

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Healthy to get better at your daily activities but harmful to your body if you overdo it
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Answer:

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A ball is dropped from a 10 story building (30.0 m). How long does it take to hit the ground?
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