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3 years ago

What two important factors determine the nature of an ecosystem?

Physics

1 answer:

UNO [17]3 years ago

5 0

The answer is A. a habitat’s features are determined by the abiotic factors such as temperature and humidity.

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A block of metal of density 3000 kg/m3 is 2m high and stands on a square base of side 0.5 m. Calculate:

labwork [276]

Answer:

1) A = 0.25 m², 2) V = 0.5 m³, 3) m = 1500 kg, 4) W = 14700 N,

5) P = 58800 Pa

Explanation:

1) The area of the base is square

A = L²

A = 0.5²

A = 0.25 m²

2) The block is a parallelepiped

V = A h

V = 0.25 2

V = 0.5 m³

3) Density is defined

rho = m / V

m = rho V

m = 3000 0.5

m = 1500 kg

4) The weight of a body is

W = mg

W = 1500 9.8

W = 14700 N

5) The pressure is

P = F / A

in this case the force is equal to the weight of the body

P = 14700 / 0.25

P = 58800 Pa

8 0

3 years ago

A tin can has a radius of 0.0410m and is 185 m high if the air is removed from inside the can how much forces will the outside a

grin007 [14]

The force exerted on the bottle is 532 N

Explanation:

When the air is removed from inside the bottle, vacuum is created, therefore the external pressure (the atmospheric pressure) is no longer balanced, and it creates a net force downward on the can.

The pressure is related to the force by the equation:

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

where

p is the pressure

F is the force

A is the area of the can

Here we have:

$p=1.01\cdot 10^5 Pa$ is the atmospheric pressure

r = 0.0410 m is the radius of the can, so the area is

$A=\pi r^2 = \pi (0.0410)^2=5.27\cdot 10^{-3}m^2$

And solving for F, we can find the force on the can:

$F=pA=(1.01\cdot 10^5)(5.27\cdot 10^{-3})=532 N$

Learn more about pressure:

brainly.com/question/4868239

brainly.com/question/2438000

#LearnwithBrainly

3 0

4 years ago

What build proteins for cell function in a animal cell

Zepler [3.9K]

Ribosome are used for protein synthesis

7 0

4 years ago

After Thanksgiving, Kevin and Gamal use the turkey’s wishbone to make a wish. If Kevin pulls on it with a force 0.17 N larger th

Sholpan [36]

Answer:

Explanation:

2F-F=ma, so F=ma or .17=(13x10-3kg)a then a=13.07m/s2

4 0

3 years ago

Help plss i just need it plss

Travka [436]

Answer:

ooh thanks but don't give me advise

4 0

3 years ago