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iogann1982 [59]
3 years ago
6

Will mark brainliest for the first person who answered correctly Where does geothermal energy come from? -Radioactive processes

in nuclear power stations. -Radioactive processes within the Earth. -The decay of organic material. -The movement of the tides.
Physics
2 answers:
egoroff_w [7]3 years ago
7 0

the answer is radioactive processes within the Earth.

Gennadij [26K]3 years ago
7 0

Answer:

Radioactive processes within the Earth.

Explanation:

many of Earth’s heat is constantly generated by the decay of radioactive isotopes, such as potassium-40 and thorium-232.

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A computer base unit of mass 7.5 kg is dragged along a smooth desk. If the normal contact force is 23N and the tension in the ar
kramer
<span>If there isn't any force then the normal contact force will be 


N=m*g=7.5*9.81=73.58N 

which is 73.58-23=50.58N less 

so, there the person must pull at 23 degree upward 

break down the tension in two components, vertical and horizontal. 


vertical tension= 50.58=T*sin23 

T=50.58/sin23=129.45N</span>
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