A single carbon-12 atom has a mass of 12 amu by definition of the atomic mass unit. Convert 12 amu to grams, and then calculate the mass in grams of a mole of carbon-12 atoms. Teacher gave us the problem but explained how to do it with words not with a step by step example, so I'm confused.

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)

yes

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