Isaac is studying relationships between organisms in the
phylum Chordata which includes humans and all other
animals with a backbone.
Beginning with domain as 1 and then counting down the
levels in the modern system of classification what level is
"phylum” ?
O 2
O 3
O 4
O 5

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)

answeridentity;

50.23 i believe is correct but don't quote me on that.