6 results

Science - Radiation

A radioactive isotope, used in the agricultural industry has a half life of 8 days. On application, the radiation is emitted is measured at 12500 counts per sec (cps). If the area that it is applied to cannot be used until the radiation strength is less than 50 cps how long ...


HCl+CaCO3 --> CaCl+H3O balanced?


My ratio is 4tsp of concentratet to 3 oz of water. How much of each do I need to make 64 oz. Please figure by cps.


The frequency of an electon orbiting a nyclear is 1000000000 cps and the radius is 5 * 10 to the -12m. Find the velocity of the electron.


after allowing a discount of 15% a pair of shoes was sold for 520 Rupees find t he Marked price of the shoes


How many critical points does the function f(x) = [(x-2)^5][(x+3)^4] have? A. 1 B. 2 C. 3 D. 5 E. 9 --- Ok, these are my thoughts on this question: My impulse was to do derivative of the function. However, if I'm going to set the function equal to zero to find some critical ...


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