Hello! if anyone could me i would really appreciate it! you much! have a wonderful day! ❤️

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Explanation:

mass number is calculated by adding the number of protons and number of neutrons. The atomic number for Mn is 25 and the problem gives you that it has 34 neutrons. so we add 25 and 34 which will equal 59

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)