Because most people are different and also are putting on a show for social medi
It is either A or C. i hope i could help. if not im really sorry
The amplitude of wave-c is 1 meter.
The speed of all of the waves is (12meters/2sec)= 6 m/s.
The period of wave-a is 1/2 second.
It's inertia. A rule that you see every day, for example a brick will stay in the same spot unless a force acts on it.
