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1 year ago

11

give an example of one living and one non-living thing that uses the force of buoyancy to function. explain how they work.

2 answers:

zaharov [31]1 year ago

4 0

Answer:

the biotic one is a human in water and they flaot because of the air in our lungs and the abiotic one is a swimming buoys are filled with foam and foam floats

Explanation:

...

Ber [7]1 year ago

4 0

Some examples are a boat sailing on the river, Iceberg floating on water, A person with a life vest floating on water, Ship floating on the ocean, Helium balloon rising in the air. The buoyant force is proportional to the density.

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Where will the strongest force be excerted by the scissor blades to cut through a piece of material? Explain your answer.

asambeis [7]

Answer:

in the thick part of the scissors ✂️

Explanation:

because in physics simple machine called wedge the force applied in this thick area it have thine side used to split or piece objects

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2 years ago

A stubborn, 100 kgkg mule sits down and refuses to move. To drag the mule to the barn, the exasperated farmer ties a rope around

jolli1 [7]

Answer:

No, the farmer is not able to move the mule.

Explanation:

Mass =100 kg

Force=F=800 N

The coefficient between the mule and the ground= $\mu_s=0.8$

$\mu_k=0.5$

Static friction force,f= $\mu N$

Normal force=N=mg

Static friction force,f= $\mu_s mg=0.8\times 100\times 9.8=784 N$

Using $g=9.8m/s^2$

F<f

Static friction force is greater than applied force.

Therefore , the farmer is not able to move the mule.

4 0

3 years ago

Find equivalent resistance between A and B

V125BC [204]

Answer:

In the picture

Explanation:

I hope that it's a clear solution and explanation, hope that helps.

8 0

3 years ago

2) Um gás ideal sofre uma determinada transformação, conforme mostra o gráfico abaixo. Considere

Roman55 [17]

Answer:

yes

Explanation:

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3 years ago

An apple falls from an apple tree growing on a 20° slope. The apple hits the ground with an impact velocity of 16.2 m/s straight

EleoNora [17]

Apple hits the surface with speed 16.2 m/s

The angle made by the apple velocity with normal to the incline surface is given as 20 degree

now the component of velocity which is parallel to the surface and perpendicular to the surface is given as

$v_{perpendicular} = v cos20$

$v_{parallel} = v sin20$

so here we have

$v_{parallel} = 16.2 sin20$

$v_{parallel} = 5.5 m/s$

<em>so its velocity along the incline plane will be 5.5 m/s</em>

7 0

3 years ago