Pulling a dogs leash: inertia
Answer:
The higher the frequency, the shorter the wavelength. Because all light waves move through a vacuum at the same speed, the number of wave crests passing by a given point in one second depends on the wavelength. Speed shows how long it takes for wavelengths to travel.
B)
The speed of the cart changed because it stopped.
Hope I could help!
-Marshy
4.096. You just have to multiply 1.6 three times. V=s^3
