The forces acting on a child sitting in a seat are described by the free-body diagram shown.
What is the net force acting on the child?
8
X -100 N
ON
Fx = 100 N
D100 N
C200 N
F, = -100 N

While standing outdoors one evening, you are exposed to the following four types of electromagnetic radiation: yellow light from a sodium street lamp, radio waves from an am radio station, radio waves from an fm radio station, and microwaves from an antenna of a communications system. rank these type of waves in terms of increasing photon energy.