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alexandr1967 [171]
3 years ago
10

3. What process is used to exchange oxygen and carbon dioxide in the cells?

Biology
1 answer:
Reika [66]3 years ago
5 0

Answer:

respiration

Explanation:

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The runner below has a mass of 55 kg and is moving at 3.87 m/s. what is his kinetic energy in joules
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Answer:

<h2>411.86 J</h2>

Explanation:

The kinetic energy of an object can be found by using the formula

k =  \frac{1}{2} m {v}^{2}  \\

m is the mass

v is the velocity

From the question we have

k =  \frac{1}{2}  \times 55  \times  {3.87}^{2}  \\  = 27.5 \times 14.9769 \\  = 411.86475

We have the final answer as

<h3>411.86 J</h3>

Hope this helps you

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