Which of the following is an example of a longitudal wave ocean waves hitting a slinky at one end ripples in a pond a child using a jump rope bone of the above

Should be the slinky

a) electrical > light, sound, and thermal< < < <

) the mechanical energy of the firefighter moving.< < < < a) electrical > light, sound, and thermal< < < <

c) both a and b.

b.a device that inputs heat into a cool object