How long would it take to get to the moon going around 75 miles an hour

Which body is in equilibrium? (1) a satellite orbiting earth in a circular orbit (2) a ball falling freely toward the surface of earth (3) a car moving with a constant speed along a straight, level road (4) a projectile at the highest point in its trajectory

Petroleum contains energy. a. light b. kinetic c. chemical d. mechanical

What are known as the properties of substances that describe a substance et does not change that substances?