Matter waves A. can reflect, refract, diffract, and interfere like sound and light waves B. have amplitudes, wave speeds, wavelengths, and frequencies like sound and light waves C. indicate where the matter is likely to be found D. all of the above E. some, but not all of the above

When considering gravity acceleration and the force of acceleration, what must be true? a. the direction of acceleration must be perpendicular to the direction of the force. b. the direction of the force and the direction of acceleration must be the same as each other. c. the direction of the force and the direction of acceleration must be opposite of each other. d. the mass of the body must be the same as the acceleration of the body.

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

Why are graphs useful when interpreting data