If the same object were hung from an aluminum wire of the same dimensions as the hair, by how much ΔLAl would the aluminum stretch?

What would be the result of an alpha particle coming into a magnetic field? a) the alpha particle will stop moving. b) the alpha particle will reverse its direction. c) the alpha particle will be deflected in a curve path. d) the alpha particle will continue to travel in a straight line.

What’s #16 asking me and how do i solve it?

Which basic property determines a colored light's placement on the spectrum of visible light? a. speed b. frequency c. amplitude d. velocity