Does your answer depend on the angle of launch or on the initial speed of the projectile?

Aray of light traveling parallel to the principal axis of a concave mirror will be reflected through the mirror's

What are chlorofluorocarbons and what impact do they have on the atmosphere?

If a refrigerator is a heat pump that follows the first law of thermodynamics, how much heat was removed from food inside of the refrigerator if it released 380j of energy to the room?