Answer:
ultra sounds have frequency higher than the upper audible limit of human hearing, for healthy, young adults.
Explanation:
Which of the following is not a an example of dissipated energy?
b. kinetic
When energy is changed from one form to another, ____.
b. all of the energy can be accounted for
Answer:
983.400345675 hits per second
Explanation:
Radius = 14.2 cm
Record turn rate = 33 rev/min
Bump separation = 0.499 mm
Circumference of the record = 
Number of bumps in the groove = 
The rate which the bumps hit the stylus = 
The rate at which the bumps hit the stylus 983.400345675 hits per second
Y e s i t ' s c a l l e d " t h e e f f o r t f o r c e "
H o p e t h i s h e l p s
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