What name is applied to sound vibrations above audio range?

Aperson walking 1 mile everyday for exercise, leaving her front porch at 9: 00 am and returning to her front porch at 9: 25 am. what is the total displacement of her daily walk? a) 1 mileb) 0c) 25 minutes d) none of the above

What sort of waves exhibit the doppler effect?

Mechanical energy is when the amount of kinetic and potential energies added together remains the same. conserved created lost