In the pennium lab 1/2 life was one shake of the cup. If you stared with 100 pennies and you have 12 pennies left. What 1/2 life is it reasonable at?

0 1/2 life
1st 1/2 life
2nd 1/2 life
3rd 1/2 life

air quality

poor drinking water

and heavy polution

can lead to poor health

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)

all eukaryotic cell have mitochondria : )