Which are parts of the middle ear? Check all that apply. a) anvil
b) ear canal
c) eardrum
d) hammer
e) stirrup
f) auricle

The free body diagram shows a box being pulled to the left up a 25-degree incline. the magnitude of the normal force is

The difference between a red shift and a blue shift has to do with wavelength frequency. t or f

The graph represents the distance a car travels over time while on the highway. which statement about the car's trip is accurate? a) the car does not move over time. b) the car travels at a constant velocity. c) the car's velocity increases constantly over time. d) the car's velocity decreases constantly over time.