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viva [34]
3 years ago
5

After a marathon many runners are given a shiny, aluminium blanket to wrap around their bodies. Explain why the blanket is shiny

and a metal?
Physics
1 answer:
vodomira [7]3 years ago
3 0
So then they get warmed up and can be seen easily

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What net force is necessary to give a 2 kg mass that is initially at rest an acceleration of 5 m/s2?
QveST [7]

Answer:

<h2>10 N</h2>

Explanation:

The force acting on an object given it's mass and acceleration can be found by using the formula

force = mass × acceleration

From the question we have

force = 2 × 5

We have the final answer as

<h3>10 N</h3>

Hope this helps you

7 0
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Human populations all over the world burn fossil fuels to power cars, planes, and generate electricity. Select the statement tha
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A passenger travels from the first floor to the 60th floor, a distance of 210 m in 35 s. what is the elevators speed
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\\ \tt\bull\leadsto Speed=\dfrac{Distance}{Time}

\\ \tt\bull\leadsto Speed=210/35=6m/s

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What is it called when something dissolves into something else
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Answer:

The correct answer is dissolving and the end product is a solution.

Explanation:

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Larger molecules of the solute breaks because of weak covalent bonds between their molecules and pairs up with the smaller molecules of the solvent and thus dissolves in it. Not all elements can serve solutes or solvents as some have strong forces that bind them together. For example sugar is a solute in water but oil is not soluble in water.

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