Answer:
The time take is
Explanation:
From the question we are told that
The decay constant is
The percentage fall is
The equation for radioactive decay is mathematically represented as
Where is is the new amount of the new the isotope while is the original
At initial % = 1
At % = 0.80
=>
=>
Answer:
When two spheres, each with charge Q, are positioned a distance Rapart, they are attracted to ... doubled, the electric-force between the two spheres
Answer:
When gamma rays pass through the human body, they ionize the tissue. gamma ray ionization can affect healthy cells. When high levels of gamma rays bombard a body, a resulting dangerous ionization of tissue can cause skin cancer.
Explanation: