Answer:
Most adverse health effects of radiation exposure may be grouped in two general categories:
deterministic effects (harmful tissue reactions) due in large part to the killing/ malfunction of cells following high doses; and
stochastic effects, i.e., cancer and heritable effects involving either cancer development in exposed individuals owing to mutation of somatic cells or heritable disease in their offspring owing to mutation of reproductive (germ)
If the gears are of different sizes, they can be used to increase the power of a turning force. The smaller wheel turns more quickly but with less force, while the bigger one turns more slowly with more force. Cars and bicycles use gears to achieve amazing speeds our bodies could never match without help.
Answer:
A. 

B. rev=10.79rev
Explanation:
A.
500rpm

the time is about 2.60s knowing the acceleration is:

so:


B.
The CD stop so the final velocity is vf=0 so:
Total revolutions:


The correct answer would be A