i think this is the incomplete page that you are showing but the answer is
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Some of the most common examples of mechanical waves are water waves, sound waves, and seismic waves. There are three types of mechanical waves: transverse waves, longitudinal waves, and surface waves.
Answer:
c
if you calculate the net force you get 490 N
Answer:
13,308 MAYBE IF IT ISN'T IM SO SORRY
Explanation: