refer to the reactants of this synthesis reaction.

_[blank]_mg + _[blank]_o2 → ?

what completed equation shows the product formed?

4mg + o2 → 2mg2o
mg + o2 → mgo2
2mg + o2 → 2mgo
2mg + o2 → mg2o2

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)

im pretty sure its b