The isotope cobalt-60 has a nuclear mass of 59.933820 u
calculate the mass defect of cobalt-60 using the following information.
mass of proton: 1.007825 u
mass of neutron: 1.008665 u
1 u = 931.5 mev

If the new moon happens on january 15th, what shape will it be on february 6th?

What happens when the number of protons in an atom changes

Sally turns on her cellular telephone to speak to her friend who is located thousands of miles away. which of the following best describes how such a telephone is able to transmit and receive information? a. the cellular telephone transmits, receives, and encodes information using only sound waves. b. the cellular telephone transmits, receives, and encodes information using only electromagnetic waves. c. the cellular telephone transmits information by electromagnetic waves to a receiver which then encodes them and produces sound. d. the cellular telephone transmits information by sound waves to a receiver which then encodes them and produces electromagnetic waves.