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3 years ago

I will give Brainliest please help!

Physics

1 answer:

mote1985 [20]3 years ago

3 0

Answer:

A) Golgi apparatus

Explanation:

B) v a c u o l e (C) m i t o c h o n d r i a ( E) cell wall

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Plz help meee :((((((((((((((

Sveta_85 [38]

The answer is b. All you have to do is find the intercepts.

6 0

3 years ago

A 70.0 kg person jumping down from a 3.00 meter wall hits the ground at 7.70 m/s. He hits the ground with stiff legs and stops i

shusha [124]

Answer:

$F_{net} = 24434.783\,N$

Explanation:

Let consider that the person hit the ground in the negative direction. The physical model for the impact is modelled after the Impact Theorem:

$m_{person}\cdot v + Imp = 0$

The impact is:

$Imp = - m_{person}\cdot v$

$Imp = - (70\,kg)\cdot (-7.70\,\frac{m}{s} )$

$Imp = 539\,N\cdot s$

The force of impact is derived as follows:

$F_{net} = \frac{Imp}{\Delta t}$

$F_{net} = \frac{539\,N\cdot s}{0.023\,s}$

$F_{net} = 24434.783\,N$

3 0

3 years ago

Which of the following statements is true about the variation of pressure in function of the depth? O Pressure decreases exponen

mrs_skeptik [129]

Answer:

The answer is: Pressure increases linearly with the depth

Explanation:

In this case, the definition of pressure is:

$P = \frac{F}{A}$

where F = mg is the weight of the fluid over the body, and A is the area of the surface to which the force is exerted. If we consider $\rho = m/V$ , then

$P = \frac{mg}{A} = \frac{\rho Vg}{A}$ .

Volume can be expressed as V = A*h, where A is the cross section of the column of the fluid over the body and h is the height of the column, in other words, the depth.

$P = \frac{A\rho gh}{A}= \rho g h$ ,

which means that pressure increases linearly with the depth in a factor of $\rho g$ .

5 0

3 years ago

What's the concept of mass ?

Marat540 [252]

Masa is a concept that identifies that magnitude of a physical nature that allows indicating the amount of matter in a body. Within the International System , its unit is the kilogram ( kg . )

6 0

3 years ago

What's the name given to a fuel source that is restored as we use it?

Simora [160]

Answer:

Renewable Energy

Examples of Renewable energy are :

Solar

Tidal

Wind etc.

Explanation:

7 0

3 years ago

I will give Brainliest please help!​

I will give Brainliest please help!