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3 years ago

A group of organ systems that work together make up a(n)

Physics

2 answers:

zhannawk [14.2K]3 years ago

6 0

B. its be no dobut about it

Naddika [18.5K]3 years ago

3 0

A group of organ systems that work together make up an organ because organs are grouped into organ systems, in which they work to together to particularly carry out a specific function for the organism.

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Please can anybody tell me what is this lab equipment

Umnica [9.8K]

Answer:

hii there

its a test tube holder

Explanation:

hope it helps

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3 years ago

1.) True or False. Scientists have drilled through the crust to reach the mantle.

Eva8 [605]

Answer:

False

Explanation:

We have never made it to the mantle.

4 0

3 years ago

Read 2 more answers

Two hoops, starting from rest, roll down identical inclined planes. The work done by nonconservative forces, such as air resiste

Maurinko [17]

Answer: both hoops have the same kinetic energy at the bottom of the incline.

Explanation:

If we assume no work done by non conservative forces (like friction) , the total mechanical energy must be conserved.

K1 + U1 = K2 + U2

If both hoops start from rest, and we choose the bottom of the incline to be the the zero reference level for gravitational potential energy, then

K1 = 0 and U2 = 0

⇒ ΔK = ΔU = m g. h

If both inclines have the same height, and both hoops have the same mass m, the change in kinetic energy, must be the same for both hoops.

6 0

3 years ago

Will water pressure be greater at the bottom of a container that you put a hole in or at the top of a container?

ddd [48]

Pressure=hrg
pressure is great at the bottom because the weight lf water exerts pressure below the container due to the gravitational pull of the earth.

4 0

3 years ago

On a typical clear day, the atmospheric electric field points downward and has a magnitude of approximately 103 N/C. Compare the

Nina [5.8K]

Answer:

a) FE = 0.764FG

b) a = 2.30 m/s^2

Explanation:

a) To compare the gravitational and electric force over the particle you calculate the following ratio:

$\frac{F_E}{F_G}=\frac{qE}{mg}$ (1)

FE: electric force

FG: gravitational force

q: charge of the particle = 1.6*10^-19 C

g: gravitational acceleration = 9.8 m/s^2

E: electric field = 103N/C

m: mass of the particle = 2.2*10^-15 g = 2.2*10^-18 kg

You replace the values of all parameters in the equation (1):

$\frac{F_E}{F_G}=\frac{(1.6*10^{-19}C)(103N/C)}{(2.2*10^{-18}kg)(9.8m/s^2)}\\\\\frac{F_E}{F_G}=0.764$

Then, the gravitational force is 0.764 times the electric force on the particle

The acceleration of the particle is obtained by using the second Newton law:

$F_E-F_G=ma\\\\a=\frac{qE-mg}{m}$

you replace the values of all variables:

$a=\frac{(1.6*10^{-19}C)(103N/C)-(2.2*10^{-18}kg)(9.8m/s^2)}{2.2*10^{-18}kg}\\\\a=-2.30\frac{m}{s^2}$

hence, the acceleration of the particle is 2.30m/s^2, the minus sign means that the particle moves downward.

7 0

2 years ago