1 All of the substances listed here are fertilizers that contribute nitrogen to the soil. Which of
these is the richest source of nitrogen on a mass percentage basis?
(a) Urea, (NH2)2CO

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)

answer; capital earns interest; entrepreneurship receives a profit or incurs a loss;

d

explanation:

rutherford's experiment showed that the atom does not contain a uniform distribution of charge.