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Oliga [24]
3 years ago
10

How has shark skin been used to inspired materials that slide faster through the water?

Biology
1 answer:
sergey [27]3 years ago
3 0

Answer:

Shark skin has been used by many cultures as sandpaper. It's kept shipmates safe in slippery-when-wet conditions. Swimsuits modeled on shark skin are said by Speedo to reduce drag by up to 4 percent. Now, research by two separate groups could lead to synthetic shark skin that would make ships and submarines faster and less expensive to operate.

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If the force exerted on a sled is 100 N and the mass of the sled is 50 kg, what is the acceleration of the sled?
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<h3><u>Answer;</u></h3>

acceleration= 2 m/s²

<h3><u>Explanation;</u></h3>

From the second Newton's Law of motion the resultant force is directly proportional to the rate of change in momentum.

That is;

F = ma

Thus; F = 100 N, m = 50 kg

a = F/m

  = 100/50

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Hope this helped :)

Have a great day

7 0
3 years ago
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