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Nuetrik [128]
3 years ago
10

Research is being done on the use of radio waves in destroying cancer cells. What type of frequency would be best used in this t

echnology?
Physics
1 answer:
shusha [124]3 years ago
8 0

Answer:

Radiofrequency Ablation (RFA) which is a type of Electrical Energy is used to treat cancer. If it sees heat made by radio waves to kill cancer cells. Ablation means destroying completely. The method is putting RFA a probe (electrode) that goes through the skin into the tumor. A CT scan is needed so to check that the probe is in exactly the right place. An electrode in the probe creates radiofrequency energy to produce heat and kill the cancer cells.

Explanation:

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A 20 kilogram ball rolls down a 10 meter ramp at the rate of 15 meters per second. The kinetic energy is joules
kobusy [5.1K]

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Explanation:

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velocity(v)=15m/s

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3 years ago
a boy throw a ball upward from the top of a cliff 73m high.Calculate the time in which ball will fall on the ground and the velo
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The ball rises for v/g seconds; which equals 14.7/9.8=1.5 seconds . After this time, it’s height will be:


h(t)=g/2(1.5)²+14.7(1.5)


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The ball then falls for 49+11.025=60.025m, which takes:


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t=3.5 secs


Total time: 1.5+3.5=5 seconds

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