This contraption is a lot of fun, and you really should try it
some time.
The sound waves move from one can to the other one
by traveling through the string.
The answer is d my friend :)
dissipation is the answer ;(
The law of universal gravitation says that one object attracts every other object using a proportional force to the mass of the object.
M=3kg
p=33kg.m/s
p=m*v
v=p/m
=33/3
=11m/s
thus option (c)
