Which of the following best explains the distinctive colors of specific elements when used in fireworks?
A
the number of electrons in the atoms
B
electrons moving from an excited energy state to the ground state
С
the number of neutrons in the atoms
D
electrons transferring from one atom to a different atom

pie chart because it is in percents ( % )

question: ray weighs 100 kilograms, his wrestling partner, bobby, weighs 50 kilograms. if ray moves at 4 m s , how fast will bobby have to run at him to apply an equal amount of kinetic energy?

answer: 8 m/s he needs to run twice as fast to keep up so he has some work to do

explanation:   if the mass has units of kilograms and the velocity of meters per second, the kinetic energy has units of kilograms-meters squared per second squared.

question answered by

(jacemorris04)

c

explanation: