How are the mass number and atomic number of the nucleus affected by the loss of the following?
a. beta particle
b. alpha particle
C. gamma particle

Which governments provide garbage collection services to homes and businesses

What are the necessary conditions for fusion?

According to an observer on earth, planet x is stationary. maria and samir depart earth on their spaceships at the same time, each flying at 0.5c. maria flies toward planet x and samir flies in the opposite direction. according to maria, her voyage to planet x takes 9 years. how many years does maria's voyage take according to samir?