Select the correct answer The motion of a car on a position time graph is represented with a horizontal line. What does this indicate about the car's motion?
OA
It's not moving
It's moving at a constant speed,
OG It's moving at a constant velocity
OD
It's speeding up

50.)the diagram below represents the wave fronts produced by a point source moving to the right in a uniformmedium. observers are located at points a and b.compared to the wave frequency and wavelength observed at point a, the wave observed at point b has a(1) higher frequency and a shorter wavelength(2) higher frequency and a longer wavelength(3) lower frequency and a shorter wavelength(4) lower frequency and a longer wavelength