An atom of Nitrogen has the symbol N. This atom has 7 neutrons. What is the atomic number?

How many protons does the atom contain?

What is the mass number for this atom?

The atomic number of atom nitrogen is 7.

It contains 7 neutrons.

Its mass number is 14.

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.

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(jacemorris04)

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