Atomic and Nuclear Physics Answers

What Is the kinetic Energy of an automobile weighing 1600kg when it travels
(a) 25.0 km/h (b) 50.0 km

A radioactive isotope of mercury decays into gold with a decay constant of 0.018. (a) Calculate its half life (b) what fraction of this original amount will remain after three half life (c) after 10 days.
Please give its answer of this numerical

what istRadioactivity? and explain properties of radioactive rays?

The function


may be used to model radioactive decay. Q represents the quantity remaining after t years; k is the decay constant. The decay constant for plutonium-240 is k = 0.00011. What is the half-life, in years?

what is the ratio of the speed of the electrons in the ground state of hydrogen to the speed of light in vacuum

A small object has charge Q. Charge q is removed from it and placed on a second small object. The two objects are placed 1 m apart. For the force that each object exerts on the other to be a maximum, q should be

what is the total number of newtron in 10 gram of D2O?

what is the % of Fe2+ in Fe0.93O1.00?

the atomic mass of Cu is 63.546.two isotops of Cu is Cu(63) and Cu(65).what is the quantity of Cu(63) which is found in nature?

1)Explain how gravitational/electrical forces influence one constituent of an atom?
2)Explain how strong and weak force influence one constituent of an atom?