What is the most likely metal ion present in the fireworks shown in the image?

a. calcium
b. sodium
c. barium
d. lithium
e. copper
f. cesium

C. Barium n F. Cesium

Explanation:

Because you can feel it or see it in the sky

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)