A red car is travelling east on a straight road at 32 km/h a blue car is traveling down the same road headed west towards the red car at 45 km/h how fast is the red car going relative to the blue car?

State one advantage and one disadvantage of using a plane mirrior as a driving mirrior

Explain earth's motion, using the terms "precession" and "rotation" in your answer.

Why does the equilibrium position of the spring change when a mass is added to the spring? will the mass oscillate around the new equilibrium position of the spring or the previous position without a mass attached to the spring? if the equilibrium position of the spring changes by 20 cm (assuming no initial mass) when a mass is added to the spring with constant 4.9 kg/s^2, what is the mass of the object attached to the spring?