Two types of energy that are giving off when an egg has been dropped, something besides Kinetic and Potential Energy. (Explain)

A26 cm object is 18 cm in front of a plane mirror. a ray of light strikes the object and is reflected off the mirror at a 42-degree angle. what is the angle of reflection? degrees what type of image is formed? what is the size of the image? cm

What will a positive and a negative charge do if they are separated from each other?

What is the orbital period of a spacecraft in a low orbit near the surface of mars? the radius of mars is 3.4×106m.