The formulae to find the mechanical energy are:P. E=mgh and K. E=½mv² a. what is the common factor that affects both forms of energy? b. how does height affects the potential energy of a body? c. Kinetic energy of person who is running will be more than a person who is walking. justify.

When you run your heart rate and breathing rate is much higher when walking which requires more energy. Running is also faster than walking which means that the muscles need to exert more force per step to maintain the higher speed.

Explanation:

moving ball hits still ball. mover stops, hit ball moves. momentum transfer.

i don't understand is there any other way you can rephrase it plz let me know in the comments and i will do it.

explanation: