Infrared waves are ineffective for treating cancer because they do not transfer enough energy to destroy cancer cells.
<h3>Importance of high frequency waves</h3>
One of the uses of a high frequency wave is in the treatment of cancer. These high frequency waves transfer enough energy to destroy the cancer cells.
E = hf
where;
- f is frequency of the wave
Infrareds have low frequency, and hence low energy.
Thus, infrared waves are ineffective for treating cancer because they do not transfer enough energy to destroy cancer cells.
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change in velocity=final velocity-initial velocity=9-3=6m/s
acceleration=change in velocity/time
=6/3=2m/s²
Answer:
B. Zero
Explanation:
Here the number of downloads between minute 14 and minute 15 is 3000. The number does not increase or decrease so the slope is zero.
The slope of line between two points (x₁, y₁) and (x₂, y₂) is given by
Here,
The slope of a function is given by the differential of the function.