Which equation best describes the law of conservation of momentum?
pi-pt
p; > p
p; op + p = 0

Which law represents the thermodynamic statement of the conservation of energy of a system? a. the fourth law b. the first law c. the second law d. the third law

Idon’t quite understand this problem

Critical mass is the of material required to produce a chain reaction. a.) minimum amount b.) atomic mass c.) precise amount d.) maximum amount