A white blood cell has a diameter of approximately 12 micrometers, or 0.012 um. A model represents its diameter as 24 pm. What is the ratio of model
size to actual size?
A. 200:1
B. 1:200
C. 1:2,000
O D. 2,000:1

your answers are a,b,,e and f

i hope this

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)