Which nucleus would be least likely to undergo radioactive decay?
A. A nucleus whose total mass is less than the sum of the masses of its individual particles
B. A nucleus whose total mass is greater that the sum of the masses of its individual particles
C. A nucleus with a mass that is less that the mass of an iron nucleus
D. A nucleus whose mass is equal to the sum of the masses of its individual particles

answer; i believe the correct answer is (40,000 j) good luck

what is the speed of a softball that travels 20m in 2secs

speed = 20/2 = 10 m/s

a.   mass number from atomic number

no. bullets are macro objects. wave nature is for light waves, extremely tiny particles. if a light particle was the size of your finger, the bullet would be the size of the universe. so basically, that huge difference in size makes the wave nature of matter insignificant.