A or D
Explanation:
Potential energy is when it isn’t moving. I’m only in 6th grade but, I hope this helps!
I am pretty sure it is called an interval between the 2 full Moons.
Waves superimpose. You'll get what is called a complex waveform.
Answer:
A=4
B=3
c=2
D=1
Explanation:
since the person moving in opposite direction so displacement =distance in east/west - distance in west/east