Answer:
I know I am a very good answerable teacher but I can't answer this question I don't know what
SONAR stands for "sound navigation and ranging,” and it is used to map and explore the ocean floor.
Nice couch lol
and aluminum I think
Answer:
Work done.
Explanation:
The skater who lifts has to overcome the partner's weight. When lifted up by 1 meter, her potential energy increases by (mass)x(gravitational acceleration)x(1meter), which is the amount of work done.
(This all assumes lifting vertically and no other forces being part of the picture)