Answer:
D. Same
Explanation:
Because only gravity is doing the work on the objects, and gravity is constant for all the objects
Apply:
wavelength = speed of wave / frequency
wavelength = 12 m/s / 4 Hz = 48 m
The two kinds of motion are horizontal and vertical
Team work and a can do attitude is very important when being a team worker, as well as being open minded!
I hope this helps!