The answer is unbalanced because the forces actually act on each other.
Speed=Distance/Time
Distance=40m,time=5.79seconds
S=40/5.79
=6.908m/s
vib. motion motion of wire of guitar
circular motion revolution of earth around sun
1ml 1cm3
1m3 100cm3
volume of liquid measuring cylinder
[two waves] pass a point [every second]... The answer is in the question (B)
