Please answer all

4. Which of the following is an example of a transverse wave? A. blue light B. red light C. string wave D. radio waves E. all of the above 5. Of the following, which is not electromagnetic (EM) in nature? A. microwaves B. ultrasound waves C. ultraviolet rays D. radio waves e. all are EM waves 6. Shown below are four objects, each of the same mass and uniform thickness, with the mass distributed uniformly. Which one has the greatest moment of inertia when rotated about an axis perpendicular to the plane of the drawing at point P? 7. A person sits at rest on the floor. What two vertical forces act upon the person? Do these two forces constitute an action/reaction pair as defined by Newton's third law of motion? A. normal force and static friction; yes, an action/reaction pair B. kinetic friction and weight; not an action/reaction pair C. weight force and normal force; not an action/reaction pair the s D. weight force and normal force; yes, an action/reaction pair none of the