Is "Carl just killed 5 zombies" a scalar or vector quantity?

The process in which the nucleus of an atom splits into two lighter atoms, releasing a large amount of energy is nuclear

The momentum of an isolated system is conserved a) only in inelastic collisions. b) only in elastic collisions. c) in both elastic and inelastic collisions

What makes thermal imaging cameras useful? they can detect differences in color. they can detect differences in wave speeds. they can detect differences in temperature. they can detect mechanical waves.